题目描述

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样例

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算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

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算法2

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>

const int N = 1010;
int a[N][N] = { 0 }, b[N][N] = { 0 };
int n, m, q;

void insert(int x1, int y1, int x2, int y2, int c)
{
    b[x1][y1] += c;
    b[x1][y2 + 1] -= c;
    b[x2 + 1][y1] -= c;
    b[x2 + 1][y2 + 1] += c;

}


int main()
{
    scanf("%d%d%d", &n, &m, &q);
    for(int i = 1;i<=n;i++)
    {
        for (int j = 1; j <= m; j++)
        {
            scanf("%d", &a[i][j]);
        }
    }


    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            insert(i, j, i, j, a[i][j]);
        }
    }


    while (q--)
    {
        int x1, y1, x2, y2, c;
        std::cin >> x1 >> y1 >> x2 >> y2 >> c;
        insert(x1, y1, x2, y2, c);
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            b[i][j] += b[i - 1][j] + b[i][j - 1] - b[i - 1][j - 1];
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            printf("%d ", b[i][j]);
        }
        printf("\n");
    }

    return 0;

}