Submission #1775240


Source Code Expand

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key
 
typedef long long ll;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef long double ld; 
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<int>::iterator sit;
typedef map<int,int>::iterator mit;
typedef vector<int>::iterator vit;

char a[2111][2111];
int up[2111][2111];
int ri[2111][2111];

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

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

int dp[2011][2011];

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

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n,m,q;
	cin>>n>>m>>q;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			cin>>a[i][j];
			if(a[i][j]=='1') dp[i][j]=1;
		}
	}
	for(int i=1;i<n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			if(a[i][j]=='1'&&a[i+1][j]=='1')
			{
				up[i][j]=1;
			}
		}
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<m;j++)
		{
			if(a[i][j]=='1'&&a[i][j+1]=='1')
			{
				ri[i][j]=1;
			}
		}
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			up[i][j]+=up[i-1][j]+up[i][j-1]-up[i-1][j-1];
			dp[i][j]+=dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1];
			ri[i][j]+=ri[i-1][j]+ri[i][j-1]-ri[i-1][j-1];
		}
	}
	for(int i=0;i<q;i++)
	{
		int x1,y1,x2,y2;
		cin>>x1>>y1>>x2>>y2;
		int V = DP(x1,y1,x2,y2);
		int E = RI(x1,y1,x2,y2-1)+UP(x1,y1,x2-1,y2);
		cout<<V-E<<'\n';
	}
}

Submission Info

Submission Time
Task C - Nuske vs Phantom Thnook
User vjudge3
Language C++14 (GCC 5.4.1)
Score 700
Code Size 1785 Byte
Status AC
Exec Time 255 ms
Memory 56576 KB

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 209 ms 56192 KB
02.txt AC 255 ms 56064 KB
03.txt AC 208 ms 56192 KB
04.txt AC 242 ms 55936 KB
05.txt AC 215 ms 56320 KB
06.txt AC 249 ms 56064 KB
07.txt AC 146 ms 55936 KB
08.txt AC 190 ms 55936 KB
09.txt AC 192 ms 56064 KB
10.txt AC 243 ms 55936 KB
11.txt AC 207 ms 56192 KB
12.txt AC 145 ms 38016 KB
13.txt AC 85 ms 54784 KB
14.txt AC 72 ms 7168 KB
15.txt AC 63 ms 6784 KB
16.txt AC 72 ms 7040 KB
17.txt AC 84 ms 54784 KB
18.txt AC 86 ms 54400 KB
19.txt AC 69 ms 7168 KB
20.txt AC 173 ms 52992 KB
21.txt AC 148 ms 55552 KB
22.txt AC 242 ms 55936 KB
23.txt AC 77 ms 12160 KB
24.txt AC 245 ms 55936 KB
25.txt AC 63 ms 6784 KB
26.txt AC 71 ms 9472 KB
27.txt AC 72 ms 7040 KB
28.txt AC 86 ms 54400 KB
29.txt AC 88 ms 54784 KB
30.txt AC 72 ms 7168 KB
31.txt AC 181 ms 56576 KB
32.txt AC 219 ms 56320 KB
33.txt AC 152 ms 55936 KB
34.txt AC 215 ms 56192 KB
35.txt AC 151 ms 55808 KB
36.txt AC 198 ms 55680 KB
37.txt AC 151 ms 55808 KB
38.txt AC 197 ms 55680 KB
39.txt AC 167 ms 56320 KB
40.txt AC 199 ms 56192 KB
41.txt AC 160 ms 55936 KB
42.txt AC 186 ms 55808 KB
43.txt AC 153 ms 55424 KB
44.txt AC 198 ms 55552 KB
45.txt AC 3 ms 6400 KB
46.txt AC 3 ms 6400 KB
47.txt AC 3 ms 6400 KB
48.txt AC 3 ms 6400 KB
s1.txt AC 3 ms 6400 KB
s2.txt AC 3 ms 6400 KB