SUST2017迎新赛答案

A#include<stdio.h>int main(){printf("Hello World!"); return 0;}B#include<stdio.h>int main(){    int a,b;    while(scanf("%d%d",&a,&b)!=EOF)    {        printf("%d\n",a+b);    }    return 0;}C#include<stdio.h>int main(){int n,m,i,sum;while(scanf("%d",&m)!=EOF){  sum=0;          for(i=1;i<=m;i++){          sum+=i;  }printf("%d\n\n",sum);}return 0;}D#include<stdio.h>int main(){int a,b;while(scanf("%d %d",&a,&b)!=EOF)printf("%d\n",a+b);return 0;}E#include<stdio.h>int main(){int a,b,num;scanf("%d",&num);while(num--){scanf("%d %d",&a,&b);printf("%d\n",a+b);}return 0;}F#include<stdio.h>int main(){int a,b;while(scanf("%d %d",&a,&b)){if(a==0 && b==0){return 0;}printf("%d\n",a+b);}return 0;}G#include <stdio.h>  #include <string.h>  int main()  {      char a;      int b,i,j,k=0;      while((a=getchar())!='@')     {          ++k;          getchar();         scanf("%d",&b);          getchar();           if(k!=1)          printf("\n");        for(i=1;i<b;i++)          {              for(j=1;j<=b+(i-1);j++)                {                  if(j==b-(i-1)||j==b+(i-1))                     printf("%c",a);                  else                      printf(" ");               }               printf("\n");          }                 for(i=0;i<2*b-1;i++)            printf("%c",a);          printf("\n");      }      return 0;  }  H#include<stdio.h>long long shulie(int n){int i;long long a[100] = { 0 };a[1] = 1, a[2] = 1;for ( i = 3; i <= n; i++)a[i] = a[i - 1] + a[i - 2];return a[n];}int main(){int n;scanf("%d",&n);while (n--){int a, b;scanf("%d%d",&a,&b);printf("%lld\n", shulie(b - a + 1));}return 0;}I#include<stdlib.h>#include<stdio.h>int main(){int fun(int i);int a,b,sum=0,i,flag,ht;while(~scanf("%d %d",&a,&b)){ht=0; flag=0;for(i=a;i<=b;i++){  sum=fun(i%10)+fun(i/10%10)+fun(i/10/10);  if(sum==i && flag==0){  printf("%d",sum);  flag=1;  ht=1;  }else if(sum==i && flag==1) {  printf(" %d",sum);  ht=1;  }}if(ht==0){printf("no\n");}else  printf("\n");}return 0;}int fun(int i){return i*i*i; }J#include<stdio.h>int a[40][40];int main(){int n;while (scanf("%d", &n) != EOF){for (int i = 0; i < n; i++){a[i][0] = 1;a[i][i] = 1;}for (int j = 2; j < n; j++){for (int k = 1; k <= j; k++){a[j][k] = a[j - 1][k - 1] + a[j - 1][k];}}for (int j = 0; j < n; j++){for (int k = 0; k <= j; k++){if(k<j) printf("%d ",a[j][k]);else  printf("%d", a[j][k]);}printf("\n");}printf("\n");}return 0;}K#include<stdio.h> #include<math.h> int main() {     int a[50][50];    double x,y,aver1[50],aver2[50],sum;    int i,j,n,m,count,p;     while(~scanf("%d%d",&n,&m))    {         count=0;         for(i=0;i<n;i++)             for(j=0;j<m;j++)                 scanf("%d",&a[i][j]);         for(i=0;i<n;i++)         {              sum=0;            for(j=0;j<m;j++)                 sum+=a[i][j];            aver1[i]=sum/m;        }         for(j=0;j<m;j++)        {            sum=0;            for(i=0;i<n;i++)                 sum+=a[i][j];             aver2[j]=sum/n;        }         for(i=0;i<n;i++)        {            p=1;             for(j=0;j<m;j++)                 if(a[i][j]<aver2[j])                {                     p=0;                     break;                 }             if(p)                count++;        }        for(i=0;i<n-1;i++)            printf("%.2lf ",aver1[i]);        printf("%.2lf\n",aver1[i]);         for(i=0;i<m-1;i++)            printf("%.2lf ",aver2[i]);        printf("%.2lf\n",aver2[i]);        printf("%d\n\n",count);    }     return 0;}L#include<stdio.h>int main(){int num=1,count=0,i;int cat[101]={0};while(scanf("%d",&num),num){    for(i=0;i<num;i++){    scanf("%d",&cat[i]);}    for(i=0;i<num;i++){    while(cat[i]!=0){     if(cat[i]>=100){          cat[i]-=100;       count++;        }else if(cat[i]>=50){        cat[i]-=50;        count++;}else if(cat[i]>=10){cat[i]-=10;count++;}else if(cat[i]>=5){cat[i]-=5;count++;}else if(cat[i]>=2){cat[i]-=2;count++;}else if(cat[i]>=1){cat[i]-=1;count++;} }  }  printf("%d\n",count);  count=0;}return 0;}M#include<stdio.h>int main(){long long a[60];a[1] = 1, a[2] = 2, a[3] = 3;for (int i = 4; i <= 55; i++)a[i] = a[i - 3] + a[i - 1];int n;while (scanf("%d", &n) != EOF){if (n == 0)   break;printf("%lld\n",a[n]);}return 0;}N#include<stdio.h>  int main()  {      int a,b,c=1,i;      while((scanf("%d",&a))!=EOF){          c=1;       for(i=0;i<a;i++)       {      scanf("%d",&b);      if(b%2!=0)         c*=b;       }printf("%d\n",c);      }  }  O#include<stdio.h>#include<string.h>int main(){int num;char str[11];scanf("%d",&num);while(num--){  scanf("%s",str);  printf("6%s\n",str+6);}return 0;}P#include<stdio.h>int main(){int a, b;int gcd(int a,int b);while(scanf("%d %d",&a,&b)!=EOF){int ans;ans=a*b/gcd(a,b);printf("%d\n",ans);}return 0;}int gcd(int a,int b){   return b==0?a:gcd(b,a%b);}Q#include<stdio.h>int main(){    int num;scanf("%d",&num);while(num--){int f,flag=0,size=0;    scanf("%d",&f); while(f!=1) {   if(f%2!=0)  {    flag=1;    if(size==0)  {      printf("%d",f);      size=1;  }  else printf(" %d",f);    f=f*3+1;  } else if(f%2==0){ f=f/2; } } if(flag==0){ printf("No number can be output !"); } printf("\n");}return 0;}R#include <stdio.h>  #include <string.h>  int main()  {      char a;      int b,i,j,k=0;      while((a=getchar())!='@')     {          ++k;          getchar();         scanf("%d",&b);          getchar();           if(k!=1)          printf("\n");        for(i=1;i<b;i++)          {              for(j=1;j<=b+(i-1);j++)                {                  if(j==b-(i-1)||j==b+(i-1))                     printf("%c",a);                  else                      printf(" ");               }               printf("\n");          }                 for(i=0;i<2*b-1;i++)            printf("%c",a);          printf("\n");      }      return 0;  }  S#include<stdio.h>int main(){int num;scanf("%d",&num);while(num--){     int x,y,ans;    scanf("%d %d",&x,&y);if(x==y && x>=0 && y>=0){if(x%2==0)ans=2*x;else ans=2*x-1;printf("%d\n",ans);}else if(y==x-2 && x>=2){if(x%2==0)ans=2*x-2;else ans=2*x-1-2;printf("%d\n",ans);} else printf("No Number\n");}return 0;}T#include<stdio.h>#include<math.h>int main(){double x1,y1,x2,y2;    while(scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2)!=EOF){        printf("%.2lf\n",sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)));}return 0;}U#include<stdio.h>#define PI 3.1415927int main(){double i;while(scanf("%lf",&i)!=EOF){printf("%.3lf\n",PI*i*i*i*4.0/3.0);} return 0;}V    #include<stdio.h>      int main(){          int n,a,b,c,i;          double h[100];          while(scanf("%d",&n),n){              a=0;b=0;c=0;              for(i=0;i<n;i++){                  scanf("%lf",&h[i]);              }              for(i=0;i<n;i++){                  if(h[i]>0)a++;                  if(h[i]==0)b++;                  if(h[i]<0)c++;              }              printf("%d %d %d\n",c,b,a);          }          return 0;      }  W#include<stdio.h>int main(){int fun(int n);int n;while(~scanf("%d",&n)){printf("%d\n",fun(n));}return 0;}int fun(int n){    if(n==1){    return 1;} return (fun(--n)+1)*2;}X#include<stdio.h>int main(){int num;while(~scanf("%d",&num)){if(num<0 || num>100){ printf("Score is error!\n");}else if(num>=90 && num<=100){          printf("A\n");}else if(num>=80){  printf("B\n");}else if(num>=70){  printf("C\n");}else if(num>=60){  printf("D\n");}else if(num>=0){      printf("E\n");}}return 0;}Y#include<stdio.h>int main(){int i,j,h,sum2=0,sum1=0,temp;while(scanf("%d %d",&i,&j)!=EOF){if(i>=j){temp=i;i=j;j=temp;}for(h=i;h<=j;h++){if(h%2==0){sum1+=h*h;}else{sum2+=h*h*h;}}printf("%d %d\n",sum1,sum2);sum1=0;sum2=0;    }return 0;}Z #include <stdio.h>      int main(void)   {          int n;          while(scanf("%d", &n) != EOF) {             int score, sum=0, max=0, min=101, i;            for(i=1; i<=n; i++) {                  scanf("%d", &score);                  sum += score;                  max = (score > max) ? score : max;                  min = (score < min) ? score : min;              }            printf("%.2f\n", (float)(sum - max - min) / (n -2));          }          return 0; }