hdu6308 多校签到题 ,直接上代码

#include <iostream>
#include <cstdio>
#include <math.h>
#include <cstring>
#include <iomanip>
#include <algorithm>
#include <cstring>
#include <vector>
#include <map>
#include <queue>
#define gmax(a,b) (a)=max((a),(b))
#define gmin(a,b) (a)=min((a),(b))
#define xh(i,m,n) for(int i=m;i<=n;i++)
#define ll long long
#define se(w) scanf("%lf",&w)
#define ss(o) scanf("%s",o)
#define sd(q) scanf("%d",&q)
#define init(qwe) memset(qwe,0,sizeof(qwe))
#define finit(qwe) memset(qwe,-1,sizeof(qwe))
#define INF 0x3f3f3f3f
#define maxn 40005
#define dbg(vari) cerr<<#vari<<" = "<<(vari)<<endl
#define MAXN 100005#define gmax(a,b) (a)=max((a),(b))
#define gmin(a,b) (a)=min((a),(b))
#define ios0 ios_base::sync_with_stdio(0)
#define gc getchar()
double d;
int _,a,b,c,e;
char s[20];
int main()
{
    for(sd(_);_;_--)
    {
        sd(a);sd(b);ss(s);
        a=a*60+b;
        e=s[3]=='+'?1:-1;
        sscanf(s+4,"%lf",&d);
        d=(int)(d*10+0.1);
        d=e*d*6-8*60;
        a+=d;
        a%=(24*60);
        if(a<0)a+=24*60;
        printf("%02d:%02d\n",a/60,a%60);
    }
}

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转载自blog.csdn.net/qq_35557621/article/details/81844512