#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
struct DSU{
int n;
vector<int> lab;
int cc;
void init(int _n){
n=_n;
cc=n;
lab.assign(n+1, -1);
}
int find_set(int u){
return lab[u]<0?u:lab[u]=find_set(lab[u]);
}
void union_sets(int u, int v){
u=find_set(u), v=find_set(v);
if (u!=v){
if (lab[u]>lab[v]) swap(u, v);
lab[u]+=lab[v];
lab[v]=u;
--cc;
}
}
} dsu;
const int dx[]={1, -1, 0, 0}, dy[]={0, 0, 1, -1};
bool a[100][100];
int r, c;
void init(int R, int C, int sr, int sc, int M, char *S) {
r=R, c=C;
a[sr][sc]=1;
for (int i=0; i<M; ++i){
if (S[i]=='N') --sr;
if (S[i]=='S') ++sr;
if (S[i]=='E') ++sc;
if (S[i]=='W') --sc;
a[sr][sc]=1;
}
}
int colour(int ar, int ac, int br, int bc) {
dsu.init((br-ar+1)*(bc-ac+1));
for (int i=ar; i<=br; ++i) for (int j=ac; j<=bc; ++j){
if (a[i][j]) --dsu.cc;
else{
for (int k=0; k<4; ++k){
int x=i+dx[k], y=j+dy[k];
if (x<ar || y<ac || x>br || y>bc || a[x][y]) continue;
dsu.union_sets((i-ar)*(bc-ac+1)+(j-ac), (x-ar)*(bc-ac+1)+(y-ac));
}
}
}
return dsu.cc;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
500 KB |
Output is correct |
3 |
Correct |
14 ms |
348 KB |
Output is correct |
4 |
Correct |
15 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
12 ms |
348 KB |
Output is correct |
12 |
Correct |
9 ms |
348 KB |
Output is correct |
13 |
Correct |
6 ms |
512 KB |
Output is correct |
14 |
Correct |
3 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Runtime error |
2 ms |
3164 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Runtime error |
1 ms |
860 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
500 KB |
Output is correct |
3 |
Correct |
14 ms |
348 KB |
Output is correct |
4 |
Correct |
15 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
12 ms |
348 KB |
Output is correct |
12 |
Correct |
9 ms |
348 KB |
Output is correct |
13 |
Correct |
6 ms |
512 KB |
Output is correct |
14 |
Correct |
3 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Runtime error |
1 ms |
860 KB |
Execution killed with signal 11 |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
500 KB |
Output is correct |
3 |
Correct |
14 ms |
348 KB |
Output is correct |
4 |
Correct |
15 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
12 ms |
348 KB |
Output is correct |
12 |
Correct |
9 ms |
348 KB |
Output is correct |
13 |
Correct |
6 ms |
512 KB |
Output is correct |
14 |
Correct |
3 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Runtime error |
1 ms |
860 KB |
Execution killed with signal 11 |
19 |
Halted |
0 ms |
0 KB |
- |