NYOJ 204、206

NYOJ 204

#include<cstdio>int u,d;int gcd(int a,int b){if(a==0) return b;else return gcd(b%a,a);}int main(){int n,i,g;char c;scanf("%d%*c",&n);for(i=0;i!=n;i++){c=getchar();if(c=='S') {puts("Bingo");return 0;}if(c == 'U') ++u;else ++d;}g=gcd(u,u+d);if((double)u/(u+d)-0.5>0.003 ||(double)u/(u+d)-0.5<-0.003) puts("Fail");else printf("%d/%d",u/g,(u+d)/g);}

NYOJ 206

#include<stdio.h> int main() {     long long a,b;     while(scanf("%lld%lld",&a,&b)!=EOF)     {        printf("%lld\n",(a+1)*(b+1)*a*b/4);     }     return 0; }