• HDU4551


    简单。

    /*
    简单题
    */
    #include<stdio.h>
    #include<string.h>
    #include<stdlib.h>
    #include<algorithm>
    #include<iostream>
    #include<queue>
    #include<map>
    #include<math.h>
    using namespace std;
    typedef long long ll;
    //typedef __int64 int64;
    const int maxn = 105;
    const int inf = 0x7fffffff;
    const double pi=acos(-1.0);
    const double eps = 1e-8;
    
    int gcd( int a,int b ){
    	int r;
    	while( b ){
    		r = a%b;
    		a = b;
    		b = r;
    	}
    	return a;
    }
    
    int lcm( int a,int b,int Gcd ){
    	return a*b/Gcd;
    }
    
    int JudgeYear( int y ){
    	if( (y%400==0)||(y%4==0&&y%100!=0) )
    		return true;
    	else
    		return false;
    }
    
    int JudgeMonth( int m ){
    	if( m==1||m==3||m==5||m==7||m==8||m==10||m==12 )
    		return true;
    	else
    		return false;
    }	
    
    int main(){
    	int T;
    	scanf("%d",&T);
    	int Case = 1;
    	while( T-- ){
    		printf("Case #%d: ",Case++);
    		int a,b,y;
    		scanf("%d%d%d",&a,&b,&y);
    		int ans = 0;
    		int m,d;
    		int ans1,ans2;
    		for( m=1;m<=12;m++ ){
    			for( int d=1;d<=31;d++ ){
    				if( m==2&&JudgeYear( y )==true&&d>=30 ) break;//闰年29days
    				if( m==2&&JudgeYear( y )==false&&d>=29 ) break;//平年28days
    				if( JudgeMonth(m)==false&&d>=31 ) break;
    				if( gcd( m,d )==a&&lcm( m,d,a )==b ){
    					ans++;
    					ans1 = m;
    					ans2 = d;
    				}
    			}
    		}
    		if( ans>1 ) printf("1
    ");
    		else if( ans<1 ) printf("-1
    ");
    		else printf("%d/%02d/%02d
    ",y,ans1,ans2);
    	}
    	return 0;
    }



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  • 原文地址:https://www.cnblogs.com/riskyer/p/3249232.html
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