#include "paint.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5+2, logN = 18+1, K = 100+2;
string s;
int n, k;
bool dp[N][K], rdp[N][K];
bool can_black[N];
int fl[N];
bool table[logN][N];
void init(){
fl[1] = 0;
for(int i = 2; i < n; ++i)
fl[i] = fl[i/2]+1;
for(int i = 1; i < n; ++i)
table[0][i] = (s[i] != '_');
for(int d = 0; d < logN-1; ++d)
for(int i = 1; i < n-(1<<(d+1))+1; ++i)
table[d+1][i] = table[d][i] | table[d][i+(1<<d)];
}
int get(int l, int r){ /// [l, r)
int level = fl[r-l];
return table[level][l] | table[level][r-(1<<level)];
}
string solve_puzzle(string s, vector<int> c) {
s = "#" + s;
::s = s;
c.insert(c.begin(), -1);
n = s.size();
k = c.size();
s = s + "#";
init();
dp[0][0] = true;
for(int i = 1; i < n; ++i){
dp[i][0] = (s[i] != 'X' && dp[i-1][0]);
for(int j = 1; j < k; ++j)
dp[i][j] |= (s[i] != '_' && i >= c[j] && (i == c[j] && j == 1 || i != c[j] && s[i-c[j]] != 'X' && dp[i-c[j]-1][j-1]) && get(i-c[j]+1, i+1)) || (s[i] != 'X' && dp[i-1][j]);
}
rdp[n][k] = true;
for(int i = n-1; i >= 1; --i){
rdp[i][k] = (s[i] != 'X' && rdp[i+1][k]);
for(int j = k-1; j >= 1; --j)
rdp[i][j] |= (s[i] != '_' && i <= n-c[j] && (i == n-c[j] && j == k-1 || i != n-c[j] && s[i+c[j]] != 'X' && rdp[i+c[j]+1][j+1]) && get(i, i+c[j])) || (s[i] != 'X' && rdp[i+1][j]);
}
for(int j = 1; j < k; ++j){
int rest = 0;
if(j == 1){
int i = 1;
if(get(i, i+c[j]) && s[i+c[j]] != 'X' && rdp[i+c[j]+1][j+1])
rest = c[j];
if(rest) can_black[i] = rest--;
}
for(int i = 2; i < n-c[j]; ++i){
if(get(i, i+c[j]) && s[i-1] != 'X' && s[i+c[j]] != 'X' && dp[i-2][j-1] && rdp[i+c[j]+1][j+1])
rest = c[j];
if(rest) can_black[i] = rest--;
}
if(j == k-1){
int i = n-c[j];
if(get(i, i+c[j]) && s[i-1] != 'X' && dp[i-2][j-1])
rest = c[j];
}
for(int i = n-c[j]; i < n; ++i)
if(rest) can_black[i] = rest--;
}
string ans = s;
for(int i = 1; i < n; ++i){
if(ans[i] == '.'){
bool can_white = false;
for(int j = 0; j < k; ++j)
if(dp[i-1][j] && rdp[i+1][j+1]){
can_white = true;
break;
}
if(!can_white) ans[i] = 'X';
else if(!can_black[i]) ans[i] = '_';
else ans[i] = '?';
}
}
return ans.substr(1, n-1);
}
Compilation message
paint.cpp: In function 'std::string solve_puzzle(std::string, std::vector<int>)':
paint.cpp:44:65: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
44 | dp[i][j] |= (s[i] != '_' && i >= c[j] && (i == c[j] && j == 1 || i != c[j] && s[i-c[j]] != 'X' && dp[i-c[j]-1][j-1]) && get(i-c[j]+1, i+1)) || (s[i] != 'X' && dp[i-1][j]);
| ~~~~~~~~~~^~~~~~~~~
paint.cpp:50:70: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
50 | rdp[i][j] |= (s[i] != '_' && i <= n-c[j] && (i == n-c[j] && j == k-1 || i != n-c[j] && s[i+c[j]] != 'X' && rdp[i+c[j]+1][j+1]) && get(i, i+c[j])) || (s[i] != 'X' && rdp[i+1][j]);
| ~~~~~~~~~~~~^~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
384 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
364 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
364 KB |
n = 86, m = 2 |
23 |
Correct |
1 ms |
364 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
364 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
364 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
364 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
364 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
364 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
364 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
384 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
376 KB |
n = 99, m = 50 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
384 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
364 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
364 KB |
n = 86, m = 2 |
23 |
Correct |
1 ms |
364 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
364 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
364 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
364 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
364 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
364 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
364 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
384 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
376 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
364 KB |
n = 13, m = 4 |
33 |
Incorrect |
1 ms |
364 KB |
char #2 differ - expected: 'X', found: '?' |
34 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
384 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
364 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
364 KB |
n = 86, m = 2 |
23 |
Correct |
1 ms |
364 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
364 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
364 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
364 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
364 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
364 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
364 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
384 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
376 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
364 KB |
n = 13, m = 4 |
33 |
Incorrect |
1 ms |
364 KB |
char #2 differ - expected: 'X', found: '?' |
34 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
384 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
364 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
364 KB |
n = 86, m = 2 |
23 |
Correct |
1 ms |
364 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
364 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
364 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
364 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
364 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
364 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
364 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
384 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
376 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
364 KB |
n = 13, m = 4 |
33 |
Incorrect |
1 ms |
364 KB |
char #2 differ - expected: 'X', found: '?' |
34 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
n = 13, m = 1 |
2 |
Correct |
1 ms |
364 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
364 KB |
n = 1, m = 1 |
5 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
6 |
Correct |
1 ms |
492 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
364 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
384 KB |
n = 20, m = 5 |
9 |
Correct |
1 ms |
364 KB |
n = 18, m = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
376 KB |
n = 20, m = 2 |
12 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
13 |
Correct |
1 ms |
364 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
364 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
364 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
364 KB |
n = 13, m = 3 |
17 |
Correct |
1 ms |
364 KB |
n = 18, m = 4 |
18 |
Correct |
1 ms |
364 KB |
n = 20, m = 10 |
19 |
Correct |
1 ms |
364 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
384 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
364 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
364 KB |
n = 86, m = 2 |
23 |
Correct |
1 ms |
364 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
364 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
364 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
364 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
364 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
364 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
364 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
384 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
376 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
364 KB |
n = 13, m = 4 |
33 |
Incorrect |
1 ms |
364 KB |
char #2 differ - expected: 'X', found: '?' |
34 |
Halted |
0 ms |
0 KB |
- |