Submission #2247203


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define MN 2005
inline int read(){
	int x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
	return x*f;
}
int n,m,q;
bool mp[MN][MN];
int l[MN][MN],h[MN][MN],b[MN][MN];
int main(){
	n=read(),m=read(),q=read();char c[MN];
	for(int i=1;i<=n;i++){
		scanf("%s",c+1);
		for(int j=1;j<=m;j++) mp[i][j]=c[j]=='1';
	}
	for(int i=1;i<=n;i++)for(int j=1;j<=m;j++){
		l[i][j]=l[i-1][j]+l[i][j-1]-l[i-1][j-1]+(mp[i][j]&&mp[i][j-1]);
		h[i][j]=h[i-1][j]+h[i][j-1]-h[i-1][j-1]+(mp[i][j]&&mp[i-1][j]);
		b[i][j]=b[i-1][j]+b[i][j-1]-b[i-1][j-1]+(mp[i][j]);
	}
	int ans,x1,y1,x2,y2;
	while(q--){
		x1=read(),y1=read(),x2=read(),y2=read();
		ans=0;
		ans+=b[x2][y2]-b[x2][y1-1]-b[x1-1][y2]+b[x1-1][y1-1];
		ans-=l[x2][y2]-l[x2][y1]-l[x1-1][y2]+l[x1-1][y1];
		ans-=h[x2][y2]-h[x2][y1-1]-h[x1][y2]+h[x1][y1-1];
		printf("%d\n",ans);
	}
	return 0;
}

Submission Info

Submission Time
Task C - Nuske vs Phantom Thnook
User vjudge4
Language C++14 (GCC 5.4.1)
Score 700
Code Size 967 Byte
Status AC
Exec Time 130 ms
Memory 52864 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",c+1);
                  ^

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 101 ms 52480 KB
02.txt AC 130 ms 52352 KB
03.txt AC 104 ms 52480 KB
04.txt AC 126 ms 52224 KB
05.txt AC 104 ms 52608 KB
06.txt AC 128 ms 52352 KB
07.txt AC 84 ms 52224 KB
08.txt AC 109 ms 52224 KB
09.txt AC 95 ms 52224 KB
10.txt AC 127 ms 52224 KB
11.txt AC 104 ms 52480 KB
12.txt AC 85 ms 34048 KB
13.txt AC 50 ms 51072 KB
14.txt AC 48 ms 7168 KB
15.txt AC 34 ms 6784 KB
16.txt AC 47 ms 7040 KB
17.txt AC 51 ms 51072 KB
18.txt AC 54 ms 50688 KB
19.txt AC 41 ms 7168 KB
20.txt AC 101 ms 51328 KB
21.txt AC 82 ms 51840 KB
22.txt AC 126 ms 52224 KB
23.txt AC 49 ms 12160 KB
24.txt AC 128 ms 52224 KB
25.txt AC 45 ms 6784 KB
26.txt AC 40 ms 9472 KB
27.txt AC 41 ms 7040 KB
28.txt AC 50 ms 50688 KB
29.txt AC 48 ms 51072 KB
30.txt AC 44 ms 7040 KB
31.txt AC 85 ms 52864 KB
32.txt AC 110 ms 52480 KB
33.txt AC 86 ms 52224 KB
34.txt AC 110 ms 52480 KB
35.txt AC 86 ms 52096 KB
36.txt AC 110 ms 51968 KB
37.txt AC 86 ms 52096 KB
38.txt AC 108 ms 51968 KB
39.txt AC 84 ms 52608 KB
40.txt AC 113 ms 52480 KB
41.txt AC 84 ms 52224 KB
42.txt AC 107 ms 52096 KB
43.txt AC 82 ms 51712 KB
44.txt AC 106 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