Submission #9816497


Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
#define ll long long
#define rep(i, a, b) for(int i = (a); i <= (b); i++)
#define per(i, b, a) for(int i = (b); i >= (a); i--)
using namespace std;
const int N = 2005;
int n, m, q, a[N][N], sum1[N][N], sum2[N][N], sum[N][N];
char s[N];
int main(){
    scanf("%d%d%d", &n, &m, &q);
    rep(i, 1, n) {
        scanf("%s", s);
        rep(j, 1, m) a[i][j] = s[j - 1] - '0';
    }
    rep(i, 1, n) rep(j, 1, m) {
        sum1[i][j] = sum1[i][j-1] + sum1[i-1][j] - sum1[i-1][j-1] + (a[i][j] && a[i][j-1]),
        sum2[i][j] = sum2[i][j-1] + sum2[i-1][j] - sum2[i-1][j-1] + (a[i][j] && a[i-1][j]),
        sum[i][j] = sum[i-1][j] + sum[i][j-1] - sum[i-1][j-1] + a[i][j];
    }
    rep(i, 1, q){
        int x1, x2, y1, y2; scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
        int num1 = y1 == y2 ? 0 : sum1[x2][y2] - sum1[x2][y1] - sum1[x1-1][y2] + sum1[x1-1][y1];
        int num2 = x1 == x2 ? 0 : sum2[x2][y2] - sum2[x2][y1-1] - sum2[x1][y2] + sum2[x1][y1-1];
        //cout << num1 << " " << num2 << endl;
        printf("%d\n", sum[x2][y2] - sum[x2][y1-1] - sum[x1-1][y2] + sum[x1-1][y1-1] - num1 - num2);
    }
    return 0;
}

Submission Info

Submission Time
Task C - Nuske vs Phantom Thnook
User luogu_bot2
Language C++ (GCC 5.4.1)
Score 700
Code Size 1194 Byte
Status AC
Exec Time 157 ms
Memory 64640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &q);
                                ^
./Main.cpp:15:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", s);
                       ^
./Main.cpp:24:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         int x1, x2, y1, y2; scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
                                                                  ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 2
AC × 50
Set Name Test Cases
Sample s1.txt, s2.txt
All 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
Case Name Status Exec Time Memory
01.txt AC 150 ms 64252 KB
02.txt AC 157 ms 64128 KB
03.txt AC 131 ms 64128 KB
04.txt AC 153 ms 64000 KB
05.txt AC 135 ms 64384 KB
06.txt AC 155 ms 64000 KB
07.txt AC 112 ms 64128 KB
08.txt AC 138 ms 63488 KB
09.txt AC 125 ms 63616 KB
10.txt AC 154 ms 64000 KB
11.txt AC 131 ms 64128 KB
12.txt AC 112 ms 42112 KB
13.txt AC 82 ms 62208 KB
14.txt AC 76 ms 7168 KB
15.txt AC 66 ms 6784 KB
16.txt AC 75 ms 7040 KB
17.txt AC 82 ms 62208 KB
18.txt AC 83 ms 61824 KB
19.txt AC 70 ms 7168 KB
20.txt AC 130 ms 62080 KB
21.txt AC 120 ms 63616 KB
22.txt AC 156 ms 64000 KB
23.txt AC 76 ms 12160 KB
24.txt AC 153 ms 64000 KB
25.txt AC 68 ms 6784 KB
26.txt AC 72 ms 9472 KB
27.txt AC 69 ms 7040 KB
28.txt AC 83 ms 61696 KB
29.txt AC 82 ms 62208 KB
30.txt AC 73 ms 7040 KB
31.txt AC 121 ms 64640 KB
32.txt AC 141 ms 64256 KB
33.txt AC 114 ms 64000 KB
34.txt AC 141 ms 64256 KB
35.txt AC 113 ms 63744 KB
36.txt AC 135 ms 63744 KB
37.txt AC 114 ms 63744 KB
38.txt AC 139 ms 63744 KB
39.txt AC 116 ms 64384 KB
40.txt AC 139 ms 64256 KB
41.txt AC 114 ms 64000 KB
42.txt AC 138 ms 63872 KB
43.txt AC 112 ms 63360 KB
44.txt AC 135 ms 63616 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