Task: | Forest density |
Sender: | HFalke |
Submission time: | 2024-09-23 17:42:13 +0300 |
Language: | C++ (C++17) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.12 s | details |
#3 | ACCEPTED | 0.10 s | details |
Code
#include <bits/stdc++.h>using namespace std;//Definitions for quicker writing#define REP(i,c,d) for (int i = c; i < d; i++)//Typedefs for quicker writingtypedef long long ll;typedef vector<int> vi;typedef pair<int,int> pi;int main() {//IO optimizationios::sync_with_stdio(0);cin.tie(0);//Input definitionint n;int q;cin >> n >> q;//Initialize segment tree//int forest[n][n];int sum[n+1][n+1];sum[0][0] = 0;sum[0][1] = 0;sum[1][0] = 0;char val;REP(i,0,n){REP(j,0,n){cin >> val;if(val == '.'){sum[i+1][j+1] = sum[i+1][j] + sum[i][j+1] - sum[i][j];}else{sum[i+1][j+1] = sum[i+1][j] + sum[i][j+1] - sum[i][j] + 1;}}}//REP(i,0,2*n){// cout << seg[i] << "\n";//}int y1;int x1;int y2;int x2;int res[q];REP(i,0,q){cin >> y1;cin >> x1;cin >> y2;cin >> x2;res[i] = sum[y2][x2] - sum[y2][x1-1] - sum[y1-1][x2] + sum[y1-1][x1-1];}//Write outREP(i,0,q){cout << res[i] << "\n";}//Returnreturn 0;}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
10 100 **.*.*.**. *.**.*..*. .*****.**. **....***. ... |
correct output |
---|
10 14 5 7 8 ... |
user output |
---|
10 14 5 7 8 ... Truncated |
Test 2
Verdict: ACCEPTED
input |
---|
1000 200000 **.**.****..**.***..**.***.**.... |
correct output |
---|
41079 2824 15631 1548 8483 ... |
user output |
---|
41079 2824 15631 1548 8483 ... Truncated |
Test 3
Verdict: ACCEPTED
input |
---|
1000 200000 ******************************... |
correct output |
---|
1000000 1000000 1000000 1000000 1000000 ... |
user output |
---|
1000000 1000000 1000000 1000000 1000000 ... Truncated |