제출 #802897

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
802897		tlnk07	Zemljište (COCI22_zemljiste)	C++17	30 / 70	2082 ms	4664 KiB

Main

#include<bits/stdc++.h>
using namespace std;
 
long long n, m, x, a, b, pre[501][501], mini = INT_MAX;
 
int main()
{
	cin >> n >> m >> a >> b;
	if(a > b)	swap(a, b);
	pre[0][0] = 0;
	for(int i = 1; i <= n; ++i)
	{
		for(int j = 1; j <= m; ++j)
		{
			cin >> x;
			if(i == 1)	pre[i][j] = pre[i][j - 1] + x;
			else if(j == 1)	pre[i][j] = pre[i - 1][j] + x;
			else	pre[i][j] = pre[i][j - 1] + pre[i - 1][j] - pre[i - 1][j - 1] + x;
		}
	}
	for(int i = 1; i <= n; ++i)
	{
		for(int j = 1; j <= m; ++j)
		{
			for(int ii = 1; ii <= n; ++ii)
			{
				int jj = 0;
				long long temp = pre[i][j] - pre[i][jj - 1] - pre[ii - 1][j] + pre[ii - 1][jj - 1];
				while(jj < j && temp >= a)
				{
					++jj;
					temp = pre[i][j] - pre[i][jj - 1] - pre[ii - 1][j] + pre[ii - 1][jj - 1];
				}
				mini = min(mini, abs(temp - a) + abs(temp - b));
				--jj;
				temp = pre[i][j] - pre[i][jj - 1] - pre[ii - 1][j] + pre[ii - 1][jj - 1];
				if(jj > 0)	mini = min(mini, abs(temp - a) + abs(temp - b));
			}
		}
	}
	cout << mini;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:28:47: warning: array subscript -1 is below array bounds of 'long long int [501]' [-Warray-bounds]
   28 |     long long temp = pre[i][j] - pre[i][jj - 1] - pre[ii - 1][j] + pre[ii - 1][jj - 1];
      |                                  ~~~~~~~~~~~~~^
Main.cpp:28:86: warning: array subscript -1 is below array bounds of 'long long int [501]' [-Warray-bounds]
   28 |     long long temp = pre[i][j] - pre[i][jj - 1] - pre[ii - 1][j] + pre[ii - 1][jj - 1];
      |                                                                    ~~~~~~~~~~~~~~~~~~^

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 40