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 |
|
|
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 |