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我的思路很简单(用了筛选),感觉正确,但是就是WA,哪位能给看看?只要把前面有的所有选取手和当前选手的各个速度进行比较,全部都小的选手一定为NO!
#include<iostream>
using namespace std;
int p[105][3];
int flag[105];
int main()
{
int n;
int i,j;
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d %d %d",&p[i][0],&p[i][1],&p[i][2]);
for(i=0;i<n;i++)
{
for(j=0;j<i;j++)
{
if(p[i][0]<=p[j][0]&&p[i][1]<=p[j][1]&&p[i][2]<=p[j][2]&&flag[j]!=-1)
flag[i]=-1;
if(p[i][0]>=p[j][0]&&p[i][1]>=p[j][1]&&p[i][2]>=p[j][2]&&flag[j]!=-1)
flag[j]=-1;
if(p[i][0]==p[j][0]&&p[i][1]==p[j][1]&&p[i][2]==p[j][2]&&flag[j]==-1)
{
flag[j]=0;
flag[i]=0;
}
}
}
for(i=0;i<n;i++)
{
if(flag[i]==-1)
printf("No\n");
else
printf("Yes\n");
}
return 0;
}
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