#include <bits/stdc++.h>
#include "coprobber.h"
using namespace std;
int n,curr,dp[101][101][2],nxt[101][101];
vector<int> graph[501];
int solve(int cp , int cc , int moves , int tag){
if(moves > 100){
return 1000000000;
}
if(cp == cc){
return 0;
}
if(dp[cp][cc][tag] != -1){
return dp[cp][cc][tag];
}
int ret = 1000000000 , val;
if(!tag){
val = 1+solve(cp,cc,moves+1,1);
if(val < ret){
nxt[cp][cc] = cp , ret = val;
}
for(auto i : graph[cp]){
val = 1+solve(i,cc,moves+1,1);
if(val < ret){
nxt[cp][cc] = i , ret = val;
}
}
}else{
ret = 0;
for(int i : graph[cc]){
ret = max(ret,1+solve(cp,i,moves+1,0));
}
}
return dp[cp][cc][tag] = ret;
}
int start(int N , bool grid[MAX_N][MAX_N]){
memset(dp,-1,sizeof dp);
n = N;
for(int i = 0 ; i < n ; i += 1){
for(int j = 0 ; j < n ; j += 1){
if(grid[i][j]){
graph[i].push_back(j);
}
}
}
curr = -1;
for(int i = 0 ; i < n ; i += 1){
bool ok = 1;
for(int j = 0 ; j < n ; j += 1){
if(solve(i,j,0,0) == 1000000000){
ok = 0;
break;
}
}
if(ok){
curr = i;
break;
}
}
return curr;
}
int nextMove(int r){
return curr = nxt[curr][r];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Incorrect |
1 ms |
328 KB |
Cop can catch the robber, but start() returned -1 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
328 KB |
Cop can catch the robber, but start() returned -1 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Incorrect |
1 ms |
328 KB |
Cop can catch the robber, but start() returned -1 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Incorrect |
1 ms |
328 KB |
Cop can catch the robber, but start() returned -1 |
4 |
Halted |
0 ms |
0 KB |
- |