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@yuyuesheng 2019-07-24T22:01:54.000000Z 字数 5509 阅读 632

2016

  1. #include <stdio.h>
  2. #define maxn 1050
  3. int num[maxn],n,temp;
  4. int main()
  5. {
  6.     while(scanf("%d",&n)!=EOF){
  7.         if(!n)
  8.             break;
  9.         for (int i = 0; i < n; ++i) {
  10.             scanf("%d",&num[i]);
  11.         }
  12.         int s = 0;
  13.         for (int j = 0; j < n; ++j) {
  14.             if(num[s]>num[j])
  15.                 s=j;
  16.         }
  17.         temp=num[s];
  18.         num[s]=num[0];
  19.         num[0]=temp;
  20.         printf("%d",num[0]);
  21.         for (int k = 1; k < n; ++k) {
  22.             printf(" %d",num[k]);
  23.         }
  24.         printf("\n");
  25.     }
  26. }

2017

  1. #include <stdio.h>
  2. #include <string.h>
  3. #define maxn 10500
  4. char s[maxn],n;
  5. int main()
  6. {
  7.     while(scanf("%d",&n)!=EOF){
  8.         for (int j = 0; j < n; ++j) {
  9.             scanf("%s",s);
  10.             int l = strlen(s),ans=0;
  11.             for (int i = 0; i < l; ++i) {
  12.                 if(s[i]<='9'&&s[i]>='0')
  13.                     ans++;
  14.             }
  15.             printf("%d\n",ans);
  16.         }
  17.     }
  18. }

2018

  1. #include <stdio.h>
  2. #include <string.h>
  3. #define maxn 10500
  4. int ans[maxn],n;
  5. int main()
  6. {
  7.     ans[1]=1;
  8.     ans[2]=2;
  9.     ans[3]=3;
  10.     for (int k = 4; k < 60; ++k) {
  11.         ans[k]=ans[k-1]+ans[k-3];
  12.     }
  13.     while(scanf("%d",&n)!=EOF){
  14.         if(!n)
  15.             break;
  16.         printf("%d\n",ans[n]);
  17.     }
  18. }

2019

  1. #include <stdio.h>
  2. #include <string.h>
  3. #define maxn 10500
  4. int num[maxn],n,m,ans;
  5. int main()
  6. {
  7.     while(scanf("%d%d",&n,&m)!=EOF){
  8.         if(!n&&!m)
  9.             break;
  10.         for (int i = 0; i < n; ++i) {
  11.             scanf("%d",&num[i]);
  12.         }
  13.         if(m<=num[0]||m>=num[n]){
  14.             if(m<=num[0])
  15.                 ans=0;
  16.             else
  17.                 ans=n;
  18.         }
  19.         for (int j = 1; j < n; ++j) {
  20.             if(num[j-1]<=m&&num[j]>=m)
  21.                 ans=j;
  22.         }
  23.         if(ans==0){
  24.             printf("%d",m);
  25.             for (int i = 0; i < n; ++i) {
  26.                 printf(" %d",num[i]);
  27.             }
  28.             printf("\n");
  29.         }
  30.         else{
  31.             printf("%d",num[0]);
  32.             for (int i = 1; i < n; ++i) {
  33.                 if(i==ans)
  34.                     printf(" %d",m);
  35.                 printf(" %d",num[i]);
  36.             }
  37.             printf("\n");
  38.         }
  39.     }
  40. }

2020

  1. #include<stdio.h>
  2. #include<math.h>
  3. int temp, num[1000];
  4. int main() {
  5.     int n;
  6.     while (scanf("%d", &n) != EOF) {
  7.         if(!n)
  8.             break;
  9.         for (int i = 0; i < n; i++)
  10.             scanf("%d", &num[i]);
  11.         for (int i = 0; i < n; i++) {
  12.             for (int j = i; j < n; j++) {
  13.                 if (fabs(num[i]) < fabs(num[j])) {
  14.                     temp = num[i];
  15.                     num[i] = num[j];
  16.                     num[j] = temp;
  17.                 }
  18.             }
  19.         }
  20.         printf("%d",num[0]);
  21.         for (int k = 1; k < n; ++k) {
  22.             printf(" %d",num[k]);    
  23.         }
  24.         printf("\n");
  25.     }
  26. }

2021

  1. #include<stdio.h>
  2. #include<math.h>
  3. int coin[6]={100,50,10,5,2,1},temp;
  4. int solve(int n){
  5.     int cnt = 0;
  6.     for (int i = 0; i < 6; ++i) {
  7.         cnt+=n/coin[i];
  8.         n=n%coin[i];
  9.     }
  10.     return cnt;
  11. }
  12. int main() {
  13.     int n;
  14.     while (scanf("%d", &n) != EOF) {
  15.         if(!n)
  16.             break;
  17.         int ans = 0;
  18.         for (int i = 0; i < n; i++){
  19.             scanf("%d", &temp);
  20.             ans+=solve(temp);
  21.         }
  22.         printf("%d\n",ans);
  23.     }
  24. }

2022

  1. #include<stdio.h>
  2. #include<math.h>
  3. #include <stdlib.h>
  4. int n,m,women[1000][1000],ansi,ansj,ans;
  5. int main() {
  6.     while (scanf("%d%d",&n,&m)!=EOF){
  7.         for (int i = 1; i <= n; ++i) {
  8.             for (int j = 1; j <= m; ++j) {
  9.                 scanf("%d",&women[i][j]);
  10.             }
  11.         }
  12.         ansi=ansj=1;
  13.         ans=women[1][1];
  14.         for (int k = 1; k <= n; ++k) {
  15.             for (int i = 1; i <= m; ++i) {
  16.                 if(abs(women[k][i])>abs(women[ansi][ansj])){
  17.                     ansi=k;
  18.                     ansj=i;
  19.                     ans=women[k][i];
  20.                 }
  21.             }
  22.         }
  23.         printf("%d %d %d\n",ansi,ansj,ans);
  24.     }
  25. }

2023

  1. #include<stdio.h>
  2. #include<math.h>
  3. #include <stdlib.h>
  4. int n,m,grade[1000][1000],ans;
  5. double avest[1000],avesb[1000];
  6. int main() {
  7.     while(scanf("%d%d",&n,&m)!=EOF){
  8.         double temp = 0;
  9.         ans=0;
  10.         for (int i = 1; i <= n; ++i) {
  11.             temp=0;
  12.             for (int j = 1; j <= m; ++j) {
  13.                 if(i==1)
  14.                     avesb[j]=0;
  15.                 scanf("%d",&grade[i][j]);
  16.                 temp+=grade[i][j];
  17.                 avesb[j]+=grade[i][j];
  18.             }
  19.             avest[i]=(double)temp/m;
  20.         }
  21.         for (int k = 1; k <= m; ++k) {
  22.             avesb[k]=(double)avesb[k]/n;
  23.         }
  24.         for (int l = 1; l <= n; ++l) {
  25.             int judge = 0;
  26.             for (int i = 1; i <= m; ++i) {
  27.                 if(grade[l][i]<avesb[i])
  28.                     judge=1;
  29.             }
  30.             if(!judge)
  31.                 ans++;
  32.         }
  33.         printf("%.2lf",avest[1]);
  34.         for (int i1 = 2; i1 <= n; ++i1) {
  35.             printf(" %.2lf",avest[i1]);
  36.         }
  37.         printf("\n");
  38.         printf("%.2lf",avesb[1]);
  39.         for (int i1 = 2; i1 <= m; ++i1) {
  40.             printf(" %.2lf",avesb[i1]);
  41.         }
  42.         printf("\n");
  43.         printf("%d\n",ans);
  44.         printf("\n");
  45.     }
  46. }

2024

  1. #include<stdio.h>
  2. #include<string.h>
  4. int main() {
  5.     int s, len,sum;
  6.     char str[100];
  7.     scanf("%d", &s);
  8.     getchar();
  9.     while (s--) {
  10.         sum = 0;
  11.         gets(str);
  12.         len = strlen(str);
  13.         if (str[0] >= '0' && str[0] <= '9')
  14.             printf("no\n");
  15.         else {
  16.             for (int i = 0; i <= len - 1; i++)
  17.                 if (str[i] >= '0' && str[i] <= '9' || str[i] >= 'a' && str[i]  <= 'z' ||str[i] >= 'A' && str[i] <= 'Z' || str[i] == '_')
  18.                     sum++;
  19.             if (sum == len) 
  20.                 printf("yes\n"); 
  21.             else 
  22.                 printf("no\n");
  23.         }
  24.     }
  25. }

2025

  1. #include <stdio.h>
  2. #include <string.h>
  3. char s[105];
  5. int main()
  6. {
  7.     char max;
  8.     while(scanf("%s", s) != EOF) {
  9.         max = s[0];
  10.         int l = strlen(s);
  11.         for(int i=0; i < l; i++)
  12.             if(s[i] > max)
  13.                 max = s[i];
  14.         for(int i=0; i < l; i++) {
  15.             printf("%c", s[i]);
  16.             if(s[i] == max)
  17.                 printf("(max)");
  18.         }
  19.         printf("\n");
  20.     }
  21. }

2026

  1. #include <stdio.h>
  2. #include <string.h>
  4. int main() {
  5.     char s[102];
  6.     while (gets(s) != NULL) {
  7.         if (s[0] != ' ')
  8.             s[0] -= 32;
  9.         for (int i = 1; i < strlen(s); i++) {
  10.             if (s[i] == ' ') {
  11.                 s[i + 1] = s[i + 1] - 32;
  12.                 continue;
  13.             }
  14.         }
  15.         puts(s);
  16.     }
  17. }

2027

  1. #include <stdio.h>
  2. #include <string.h>
  4. int main() {
  5.     int test;
  6.     int num_a, num_e, num_i, num_o, num_u;
  7.     scanf("%d", &test);
  8.     getchar();
  9.     while (test--) {
  10.         num_a = num_e = num_i = num_o = num_u = 0;
  11.         char s[101];
  12.         gets(s);
  13.         int len = strlen(s);
  14.         for (int i = 0; i < len; i++) {
  15.             switch (s[i]) {
  16.                 case 'a':
  17.                     num_a++;
  18.                     break;
  19.                 case 'e':
  20.                     num_e++;
  21.                     break;
  22.                 case 'i':
  23.                     num_i++;
  24.                     break;
  25.                 case 'o':
  26.                     num_o++;
  27.                     break;
  28.                 case 'u':
  29.                     num_u++;
  30.                     break;
  31.             }
  32.         }
  33.         printf("a:%d\ne:%d\ni:%d\no:%d\nu:%d\n", num_a, num_e, num_i, num_o, num_u);
  34.         if (test) {
  35.             printf("\n");
  36.         }
  37.     }
  38. }

2028

  1. #include<stdio.h>
  3. int gcd(int a, int b) {
  4.     return b == 0 ? a : gcd(b, a % b);
  5. }
  7. int main() {
  8.     int n, a, b, c, i;
  9.     while (scanf("%d", &n) != EOF) {
  10.         scanf("%d", &a);
  11.         for (i = 0; i < n-1; i++) {
  12.             scanf("%d", &b);
  13.             c = gcd(a, b);
  14.             a = a / c * b;
  15.         }
  16.         printf("%d\n", a);
  17.     }
  18. }

2029

  1. #include <stdio.h>
  2. #include <string.h>
  4. int main()
  5. {
  6.     int n, flag, start, end;
  7.     char s[5000];
  8.     scanf("%d", &n);
  9.     while(n--) {
  10.         scanf("%s", s);
  11.         start = 0;
  12.         end = strlen(s) - 1;
  13.         flag = 1;
  14.         while(start < end) {
  15.             if(s[end] != s[start]) {
  16.                 flag = 0;
  17.                 break;
  18.             }
  19.             start++;
  20.             end--;
  21.         }
  22.         if(flag)
  23.             printf("yes\n");
  24.         else
  25.             printf("no\n");
  26.     }
  27. }

2030

  1. #include <stdio.h>
  2. #include <string.h>
  3. int main ()
  4. {
  5.     char ch[1050];
  6.     int n,i,sum;
  7.     while (scanf("%d",&n)!=EOF)
  8.     {
  9.         gets(ch);
  10.         while (n--)
  11.         {
  12.             sum=0;
  13.             gets(ch);
  14.             int l=strlen(ch);
  15.             for (i=0; i<l; i++)
  16.                 if (ch[i]<0)
  17.                     sum++;
  18.             printf ("%d\n",sum/2);
  19.         }
  20.     }
  21. }

2031

  1. #include<stdio.h>
  2. int main()
  3. {
  4.     int m,n;
  5.     int ans[50],i,j;
  6.     while (scanf("%d%d",&n,&m)!=EOF)
  7.     {    
  8.         j=0;
  9.         if(n<0)
  10.         {
  11.             printf("-");
  12.             n= -n;
  13.         }
  14.         while (n!=0)
  15.         {
  16.             ans[j++]=n%m;
  17.             n= n/m;
  18.         }
  19.         for(i=j-1;i>=0;i--)
  20.         {
  21.             if(ans[i]>=10)
  22.                 printf("%c",ans[i]-10+'A');
  23.             else
  24.                 printf("%d",ans[i]);
  25.         }
  26.         printf("\n");
  28.     }
  29. }

2032

  1. #include<stdio.h>
  3. int main() {
  4.     int n;
  5.     char d;
  6.     int a[31][31] = {0};
  7.     while (scanf("%d%c", &n, &d) != EOF) {
  8.         a[0][1] = 1;
  9.         int i;
  10.         for (i = 1; i <= n; i++) {
  11.             for (int j = 1; j <= i; j++) {
  12.                 a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
  13.                 printf("%d", a[i][j]);
  14.                 if (j < i)
  15.                     printf(" ");
  16.             }
  17.             printf("\n");
  18.         }
  19.         printf("\n");
  20.     }
  21. }

2039

  1. #include<stdio.h>
  3. int main() {
  4.     int m;
  5.     scanf("%d", &m);
  6.     while (m--) {
  7.         double a, b, c;
  8.         scanf("%lf%lf%lf", &a, &b, &c);
  9.         if ((a + b > c) && (a + c > b) && (c + b > a))
  10.             printf("YES\n");
  11.         else
  12.             printf("NO\n");
  13.     }
  14. }
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