AtCoder Grand Contest 015

Submission #1586533

Source codeソースコード

#include <iostream>
#include <algorithm>
#include <cstdio>

using namespace std;

typedef long long ll;

const ll mod = 1e9 + 7;

int n, m, q, x1, x2, y1, y2;
char a[2005][2005];
int dp1[2005][2005], dp2[2005][2005], s[2005][2005];

int sum(int x1, int y1, int x2, int y2) {
    return s[x2][y2] - s[x2][y1 - 1] - s[x1 - 1][y2] + s[x1 - 1][y1 - 1];
}

int edges(int x1, int y1, int x2, int y2) {
    return (dp1[x2][y2] - dp1[x2][y1] - dp1[x1 - 1][y2] + dp1[x1 - 1][y1]) +
    (dp2[x2 - 1][y2] - dp2[x2 - 1][y1 - 1] - dp2[x1 - 1][y2] + dp2[x1 - 1][y1 - 1]);
}

int main() {
    cin >> n >> m >> q;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
            s[i][j] = s[i][j - 1] + s[i - 1][j] + (a[i][j] == '1') - s[i - 1][j - 1];
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            dp1[i][j] = dp1[i][j - 1] + dp1[i - 1][j] + (a[i][j - 1] == '1' && a[i][j] == '1') - dp1[i - 1][j - 1];
            dp2[i][j] = dp2[i][j - 1] + dp2[i - 1][j] + (a[i + 1][j] == '1' && a[i][j] == '1') - dp2[i - 1][j - 1];
        }
    }
    for (int i = 1; i <= q; i++) {
        cin >> x1 >> y1 >> x2 >> y2;
        cout << sum(x1, y1, x2, y2) - edges(x1, y1, x2, y2) << "\n";
    }
}

Submission

Task問題 C - Nuske vs Phantom Thnook
User nameユーザ名 HardNut
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 700
Source lengthソースコード長 1315 Byte
File nameファイル名
Exec time実行時間 861 ms
Memory usageメモリ使用量 52864 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt
All 700 / 700 01.txt,02.txt,03.txt,04.txt,05.txt,06.txt,07.txt,08.txt,09.txt,10.txt,11.txt,12.txt,13.txt,14.txt,15.txt,16.txt,17.txt,18.txt,19.txt,20.txt,21.txt,22.txt,23.txt,24.txt,25.txt,26.txt,27.txt,28.txt,29.txt,30.txt,31.txt,32.txt,33.txt,34.txt,35.txt,36.txt,37.txt,38.txt,39.txt,40.txt,41.txt,42.txt,43.txt,44.txt,45.txt,46.txt,47.txt,48.txt,s1.txt,s2.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01.txt AC 805 ms 52480 KB
02.txt AC 861 ms 52352 KB
03.txt AC 819 ms 52480 KB
04.txt AC 860 ms 52224 KB
05.txt AC 825 ms 52608 KB
06.txt AC 859 ms 52352 KB
07.txt AC 776 ms 52224 KB
08.txt AC 826 ms 52224 KB
09.txt AC 769 ms 52224 KB
10.txt AC 853 ms 52224 KB
11.txt AC 808 ms 52480 KB
12.txt AC 667 ms 34048 KB
13.txt AC 516 ms 51072 KB
14.txt AC 525 ms 7168 KB
15.txt AC 467 ms 6784 KB
16.txt AC 524 ms 7040 KB
17.txt AC 525 ms 51072 KB
18.txt AC 538 ms 50688 KB
19.txt AC 503 ms 7168 KB
20.txt AC 812 ms 51328 KB
21.txt AC 788 ms 51840 KB
22.txt AC 839 ms 52224 KB
23.txt AC 535 ms 12160 KB
24.txt AC 850 ms 52224 KB
25.txt AC 465 ms 6784 KB
26.txt AC 514 ms 9472 KB
27.txt AC 510 ms 7040 KB
28.txt AC 538 ms 50688 KB
29.txt AC 518 ms 51072 KB
30.txt AC 522 ms 7040 KB
31.txt AC 786 ms 52864 KB
32.txt AC 836 ms 52480 KB
33.txt AC 792 ms 52224 KB
34.txt AC 822 ms 52480 KB
35.txt AC 786 ms 52096 KB
36.txt AC 834 ms 51968 KB
37.txt AC 792 ms 52096 KB
38.txt AC 821 ms 51968 KB
39.txt AC 770 ms 52608 KB
40.txt AC 833 ms 52480 KB
41.txt AC 787 ms 52224 KB
42.txt AC 845 ms 52096 KB
43.txt AC 797 ms 51712 KB
44.txt AC 823 ms 51840 KB
45.txt AC 2 ms 6400 KB
46.txt AC 2 ms 6400 KB
47.txt AC 2 ms 6400 KB
48.txt AC 2 ms 6400 KB
s1.txt AC 2 ms 6400 KB
s2.txt AC 2 ms 6400 KB