| Task: | Ruudukko |
| Sender: | Laakeri |
| Submission time: | 2025-11-29 18:26:49 +0200 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 16 |
| #2 | ACCEPTED | 42 |
| #3 | ACCEPTED | 42 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
| #2 | ACCEPTED | 0.05 s | 2, 3 | details |
| #3 | ACCEPTED | 0.04 s | 2, 3 | details |
| #4 | ACCEPTED | 0.20 s | 3 | details |
| #5 | ACCEPTED | 0.17 s | 3 | details |
Code
#include <bits/stdc++.h>
using namespace std;
int a[2020][2020];
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n,m;
cin>>n>>m;
for (int i=0;i<m;i++){
int y1,x1,y2,x2;
cin>>y1>>x1>>y2>>x2;
a[y2][x2]^=1;
a[y1-1][x2]^=1;
a[y2][x1-1]^=1;
a[y1-1][x1-1]^=1;
}
for (int i=n;i>=1;i--){
for (int j=n;j>=1;j--){
a[i][j]^=a[i+1][j]^a[i][j+1]^a[i+1][j+1];
}
}
for (int i=1;i<=n;i++){
for (int j=1;j<=n;j++){
if (a[i][j]){
cout<<'#';
} else {
cout<<'.';
}
}
cout<<endl;
}
}Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 100 6 7 8 9 2 6 7 10 7 5 9 6 6 1 6 2 ... |
| correct output |
|---|
| ..##..##.. ##....##.# ..####..## ##.##..... ####....## ... |
| user output |
|---|
| ..##..##.. ##....##.# ..####..## ##.##..... ####....## ... |
Test 2
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 500 100000 133 109 167 178 204 337 481 477 242 476 445 485 452 198 460 321 ... |
| correct output |
|---|
| .##....####.####..##....#.##.#... |
| user output |
|---|
| .##....####.####..##....#.##.#... |
Test 3
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 500 100000 33 7 485 482 50 38 456 459 34 20 479 493 13 6 479 485 ... |
| correct output |
|---|
| .....#.####.#.#...####.##....#... |
| user output |
|---|
| .....#.####.#.#...####.##....#... |
Test 4
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 2000 100000 126 95 1489 1619 1473 29 1697 78 1290 1031 1588 1047 1209 1794 1546 1818 ... |
| correct output |
|---|
| ..........................####... |
| user output |
|---|
| ..........................####... |
Test 5
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 2000 100000 55 51 1842 1905 47 60 1997 1890 117 45 1920 1840 48 175 1987 1852 ... |
| correct output |
|---|
| #.#...#...###.#...#####..####.... |
| user output |
|---|
| #.#...#...###.#...#####..####.... |