//暴搜
# include <stdio.h>
# include <algorithm>
# include <string.h>
using namespace std;
struct node
{
int b;
int e;
int num;
};
struct node a[10010];
int cmp(node a1,node a2)
{
return a1.b<a2.b;
}
int main()
{
int t,n,i,j,b1,b2,e1,e2,map[10010];
while(~scanf("%d",&t))
{
while(t--)
{
scanf("%d",&n);
memset(map,0,sizeof(map));
for(i=0;i<n;i++)
{
scanf("%d %d:%d %d:%d",&a[i].num,&b1,&b2,&e1,&e2);
a[i].b=b1*60+b2;
a[i].e=e1*60+e2;
for(j=a[i].b;j<a[i].e;j++)
map[j]+=a[i].num;
}
int max=0;
for(i=0;i<=1440;i++)
{
if(map[i]>max)
max=map[i];
}
printf("%d\n",max);
}
}
return 0;
}
# include <stdio.h>
# include <algorithm>
# include <string.h>
using namespace std;
struct node
{
int b;
int e;
int num;
};
struct node a[10010];
int cmp(node a1,node a2)
{
return a1.b<a2.b;
}
int main()
{
int t,n,i,j,sum,numsum,b1,b2,e1,e2,numsum1;
int vis[10010];
scanf("%d",&t);
while(t--)
{
scanf("%d",&n);
memset(vis,0,sizeof(vis));
for(i=0;i<n;i++)
{
scanf("%d %d:%d %d:%d",&a[i].num,&b1,&b2,&e1,&e2);
a[i].b=b1*60+b2;
a[i].e=e1*60+e2;
vis[a[i].b]+=a[i].num;
vis[a[i].e]-=a[i].num;
}
sort(a,a+n,cmp);
numsum=a[0].num;
for(i=1;i<=60*24;i++)
{
vis[i]+=vis[i-1];
if(numsum<vis[i])
numsum=vis[i];
}
printf("%d\n",numsum);
}
return 0;
}
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原文：http://blog.csdn.net/lp_opai/article/details/38235213