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T - Mongeness

JamFF 2022-03-11 阅读 39

题目链接:近期AtCoder ABC B题 - Virtual Judge (vjudge.net)

题目大意:

思路:

代码:

#include<iostream>
#include<algorithm>
#include<stdio.h>
using namespace std;
int main(){
	int h,w;cin>>h>>w;
	int a[x][y];
	for(int i=0;i<x;i++)
	{
		for(int j=0;j<y;j++)
		{
			cin>>a[i][j];
		}
	}
	bool flag = 0;//从这里就开始不理解了
    for (int i = 1; i < h; i++)
    { //i1
        for (int j = i + 1; j <= h; j++)
        { //i2
            for (int k = 1; k < w; k++)
            { //j1
                for (int x = k + 1; x <= w; x++)
                { //j2
                    int x1 = a[i][k] + a[j][x];
                    int x2 = a[j][k] + a[i][x];
                    if (x1 > x2)
                    {
                        flag = 1;
                        break;
                    }
                    else
                        continue;
                }
                if (flag)
                        break;
            }
            if (flag)
                    break;
        }
        if (flag)
                break;
    }
    if (flag)
    {
            cout << "No" << endl;
    }else
            cout << "Yes" << endl;
	return 0;
}

总结:

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