#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#include "paint.h"
#define pb push_back
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;
const int N=105,K=105;
bool dpPref[N][K],dpSuf[N][K];
int lastBlackPref[N],lastBlackSuf[N];
string solve_puzzle(string s, vector<int> c) {
int n=s.size(); int k=c.size();
// build lastBlackPref;
if (s[0]=='X') lastBlackPref[0]=0;
else lastBlackPref[0]=-1e9;
for (int i=1; i<n; i++) {
lastBlackPref[i]=lastBlackPref[i-1];
if (s[i]=='X') lastBlackPref[i]=i;
}
// build lastBlackSuf;
if (s[n-1]=='X') lastBlackSuf[n-1]=n-1;
else lastBlackSuf[n-1]=1e9;
for (int i=n-2; i>=0; i--) {
lastBlackSuf[i]=lastBlackSuf[i+1];
if (s[i]=='X') lastBlackSuf[i]=i;
}
// build dpPref
int firstBlack=lastBlackSuf[0];
int lastWhite=-1e9;
for (int i=c[0]-1; i<=min(n-1,firstBlack+c[0]-1); i++) {
if (s[i]=='_') lastWhite=i;
if (i-c[0]+1>lastWhite) dpPref[i][0]=1;
}
for (int ind=1; ind<k; ind++) {
lastWhite=-1e9;
for (int i=0; i<n; i++) {
if (s[i]=='_') lastWhite=i;
if (i-c[ind]+1<=lastWhite) continue;
if ((i-c[ind])-1<0) continue;
if (s[i-c[ind]]=='X') continue;
for (int j=max(0,lastBlackPref[(i-c[ind])-1]); j<=(i-c[ind])-1; j++) {
if (dpPref[j][ind-1]==1) dpPref[i][ind]=1;
}
}
}
// build dpSuf
int lastBlack=lastBlackPref[n-1];
lastWhite=1e9;
for (int i=n-c[k-1]; i>=max(0,lastBlack-c[k-1]+1); i--) {
if (s[i]=='_') lastWhite=i;
if (i+c[k-1]-1<lastWhite) dpSuf[i][k-1]=1;
}
for (int ind=k-2; ind>=0; ind--) {
lastWhite=1e9;
for (int i=n-1; i>=0; i--) {
if (s[i]=='_') lastWhite=i;
if (i+c[ind]-1>=lastWhite) continue;
if ((i+c[ind])+1>n-1) continue;
if (s[(i+c[ind])]=='X') continue;
for (int j=min(n-1,lastBlackSuf[(i+c[ind])+1]); j>=(i+c[ind])+1; j--) {
if (dpSuf[j][ind+1]==1) dpSuf[i][ind]=1;
}
}
}
// build answer
string ans=s;
for (int i=0; i<n; i++) {
if (s[i]!='.') continue;
bool canBeWhite=0,canBeBlack=0;
// can be '_'
for (int j=i+1; j<=min(n-1,lastBlackSuf[i+1]); j++) {
if (dpSuf[j][0]==1 && lastBlackPref[i]<0) canBeWhite=1;
}
for (int ind=0; ind<k-1; ind++) {
bool B1=0,B2=0;
for (int j=i-1; j>=max(0,lastBlackPref[i-1]); j--) {
if (dpPref[j][ind]==1) B1=1;
}
for (int j=i+1; j<=min(n-1,lastBlackSuf[i+1]); j++) {
if (dpSuf[j][ind+1]==1) B2=1;
}
if (B1 && B2) canBeWhite=1;
}
for (int j=i-1; j>=max(0,lastBlackPref[i-1]); j--) {
if (dpPref[j][k-1]==1 && lastBlackSuf[i]>n-1) canBeWhite=1;
}
// can be 'X'
int lb=-1,rb=n;
for (int j=i; j>=0; j--) {
if (s[j]=='_') {
lb=j; break;
}
}
for (int j=i; j<n; j++) {
if (s[j]=='_') {
rb=j; break;
}
}
for (int ind=0; ind<k; ind++) {
for (int o=0; o<c[ind]; o++) {
if ((i-o)<=lb || rb<=(i+c[ind]-o-1)) continue;
int l=(i-o),r=(i+c[ind]-o-1);
if (dpPref[r][ind]==1 && dpSuf[l][ind]==1) canBeBlack=1;
}
}
if (canBeBlack==1 && canBeWhite==1) ans[i]='?';
else if (canBeBlack==1) ans[i]='X';
else ans[i]='_';
}
return ans;
}
Compilation message
paint.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
1 | #pragma GCC diagnostic warning "-std=c++11"
| ^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
348 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
348 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
348 KB |
n = 86, m = 2 |
23 |
Correct |
0 ms |
348 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
348 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
348 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
348 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
348 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
348 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
348 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
348 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
348 KB |
n = 99, m = 50 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
348 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
348 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
348 KB |
n = 86, m = 2 |
23 |
Correct |
0 ms |
348 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
348 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
348 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
348 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
348 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
348 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
348 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
348 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
348 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
348 KB |
n = 13, m = 4 |
33 |
Correct |
0 ms |
436 KB |
n = 86, m = 2 |
34 |
Correct |
1 ms |
348 KB |
n = 88, m = 2 |
35 |
Correct |
0 ms |
348 KB |
n = 86, m = 2 |
36 |
Incorrect |
1 ms |
348 KB |
char #8 differ - expected: 'X', found: '?' |
37 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
348 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
348 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
348 KB |
n = 86, m = 2 |
23 |
Correct |
0 ms |
348 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
348 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
348 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
348 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
348 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
348 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
348 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
348 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
348 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
348 KB |
n = 13, m = 4 |
33 |
Correct |
0 ms |
436 KB |
n = 86, m = 2 |
34 |
Correct |
1 ms |
348 KB |
n = 88, m = 2 |
35 |
Correct |
0 ms |
348 KB |
n = 86, m = 2 |
36 |
Incorrect |
1 ms |
348 KB |
char #8 differ - expected: 'X', found: '?' |
37 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
348 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
348 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
348 KB |
n = 86, m = 2 |
23 |
Correct |
0 ms |
348 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
348 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
348 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
348 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
348 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
348 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
348 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
348 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
348 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
348 KB |
n = 13, m = 4 |
33 |
Correct |
0 ms |
436 KB |
n = 86, m = 2 |
34 |
Correct |
1 ms |
348 KB |
n = 88, m = 2 |
35 |
Correct |
0 ms |
348 KB |
n = 86, m = 2 |
36 |
Incorrect |
1 ms |
348 KB |
char #8 differ - expected: 'X', found: '?' |
37 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
n = 13, m = 1 |
2 |
Correct |
0 ms |
348 KB |
n = 18, m = 1 |
3 |
Correct |
1 ms |
348 KB |
n = 17, m = 1 |
4 |
Correct |
1 ms |
348 KB |
n = 1, m = 1 |
5 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
6 |
Correct |
0 ms |
348 KB |
n = 20, m = 1 |
7 |
Correct |
1 ms |
348 KB |
n = 20, m = 1 |
8 |
Correct |
1 ms |
348 KB |
n = 20, m = 5 |
9 |
Correct |
0 ms |
348 KB |
n = 18, m = 3 |
10 |
Correct |
0 ms |
600 KB |
n = 17, m = 2 |
11 |
Correct |
1 ms |
600 KB |
n = 20, m = 2 |
12 |
Correct |
0 ms |
348 KB |
n = 17, m = 4 |
13 |
Correct |
0 ms |
344 KB |
n = 17, m = 6 |
14 |
Correct |
1 ms |
608 KB |
n = 17, m = 1 |
15 |
Correct |
1 ms |
600 KB |
n = 17, m = 4 |
16 |
Correct |
1 ms |
348 KB |
n = 13, m = 3 |
17 |
Correct |
0 ms |
348 KB |
n = 18, m = 4 |
18 |
Correct |
0 ms |
348 KB |
n = 20, m = 10 |
19 |
Correct |
0 ms |
348 KB |
n = 19, m = 10 |
20 |
Correct |
1 ms |
348 KB |
n = 100, m = 5 |
21 |
Correct |
1 ms |
348 KB |
n = 90, m = 3 |
22 |
Correct |
1 ms |
348 KB |
n = 86, m = 2 |
23 |
Correct |
0 ms |
348 KB |
n = 81, m = 4 |
24 |
Correct |
1 ms |
348 KB |
n = 89, m = 10 |
25 |
Correct |
1 ms |
348 KB |
n = 81, m = 23 |
26 |
Correct |
1 ms |
348 KB |
n = 86, m = 8 |
27 |
Correct |
1 ms |
348 KB |
n = 53, m = 22 |
28 |
Correct |
1 ms |
348 KB |
n = 89, m = 35 |
29 |
Correct |
1 ms |
348 KB |
n = 63, m = 25 |
30 |
Correct |
1 ms |
348 KB |
n = 100, m = 50 |
31 |
Correct |
1 ms |
348 KB |
n = 99, m = 50 |
32 |
Correct |
1 ms |
348 KB |
n = 13, m = 4 |
33 |
Correct |
0 ms |
436 KB |
n = 86, m = 2 |
34 |
Correct |
1 ms |
348 KB |
n = 88, m = 2 |
35 |
Correct |
0 ms |
348 KB |
n = 86, m = 2 |
36 |
Incorrect |
1 ms |
348 KB |
char #8 differ - expected: 'X', found: '?' |
37 |
Halted |
0 ms |
0 KB |
- |