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Submission #235607

# Submission time Handle Problem Language Result Execution time Memory
235607 2020-05-28T19:23:24 Z mehrdad_sohrabi Cop and Robber (BOI14_coprobber) C++14
100 / 100
 397 ms 8568 KB 
#include <bits/stdc++.h>
#include "coprobber.h"

typedef int ll;
typedef long double ld;
#define pb push_back
#define pii pair < ll , ll >
#define F first
#define S second
#define endl '\n'
//#define int long long
#define sync ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#define kill(x) return cout<<x<<'\n', 0;
using namespace std;
const int N=MAX_N;
ll C,win[N][N][2],deg[N],d[N][N],p[N][N];
queue <pair <pii,bool> > q;

int start(ll n,bool A[N][N]){
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++){
            deg[i]+=A[i][j];
        }
    }
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++){
            d[i][j]=deg[j];
        }
    }
    for (int i=0;i<n;i++){
        win[i][i][0]=1;
        p[i][i]=i;
        q.push({{i,i},0});
        q.push({{i,i},1});
        win[i][i][1]=1;
    }
    while(q.size()){
        ll c=q.front().F.F,r=q.front().F.S,b=q.front().S;
        q.pop();
        if (b){
            for (int i=0;i<n;i++){
                if (A[r][i]){
                    d[c][i]--;
                    if (d[c][i]==0 && win[c][i][0]==0){
                        win[c][i][0]=1;
                        q.push({{c,i},0});
                    }
                }
            }
        }
        else{
            for (int i=0;i<n;i++){
                if (i==c || A[c][i]){
                    if (win[i][r][1]==0){
                        win[i][r][1]=1;
                        p[i][r]=c;
                        q.push({{i,r},1});
                    }
                }
            }
        }
    }
    for (int i=0;i<n;i++){
        ll p1=0;
        for (int j=0;j<n;j++) if (win[i][j][1]==0) p1=1;
        if (!p1) return C=i;
    }
    return -1;
}
int nextMove(int R) {
    return C = p[C][R];
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 260 ms 5668 KB Output is correct
5 Correct 43 ms 2944 KB Output is correct
6 Correct 285 ms 6136 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 257 ms 5756 KB Output is correct
4 Correct 261 ms 5756 KB Output is correct
5 Correct 245 ms 5660 KB Output is correct
6 Correct 270 ms 5628 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 6 ms 896 KB Output is correct
14 Correct 7 ms 1152 KB Output is correct
15 Correct 6 ms 896 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 10 ms 1408 KB Output is correct
18 Correct 6 ms 1152 KB Output is correct
19 Correct 4 ms 384 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 260 ms 5668 KB Output is correct
5 Correct 43 ms 2944 KB Output is correct
6 Correct 285 ms 6136 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 512 KB Output is correct
9 Correct 257 ms 5756 KB Output is correct
10 Correct 261 ms 5756 KB Output is correct
11 Correct 245 ms 5660 KB Output is correct
12 Correct 270 ms 5628 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 6 ms 1152 KB Output is correct
23 Correct 6 ms 1280 KB Output is correct
24 Correct 5 ms 512 KB Output is correct
25 Correct 6 ms 896 KB Output is correct
26 Correct 7 ms 1152 KB Output is correct
27 Correct 6 ms 896 KB Output is correct
28 Correct 6 ms 896 KB Output is correct
29 Correct 10 ms 1408 KB Output is correct
30 Correct 6 ms 1152 KB Output is correct
31 Correct 4 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 4 ms 384 KB Output is correct
35 Correct 258 ms 5752 KB Output is correct
36 Correct 47 ms 2936 KB Output is correct
37 Correct 286 ms 5880 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 253 ms 5776 KB Output is correct
41 Correct 272 ms 5752 KB Output is correct
42 Correct 247 ms 5624 KB Output is correct
43 Correct 286 ms 5624 KB Output is correct
44 Correct 4 ms 384 KB Output is correct
45 Correct 4 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 6 ms 1152 KB Output is correct
49 Correct 7 ms 1152 KB Output is correct
50 Correct 5 ms 640 KB Output is correct
51 Correct 6 ms 1024 KB Output is correct
52 Correct 7 ms 1152 KB Output is correct
53 Correct 6 ms 896 KB Output is correct
54 Correct 6 ms 896 KB Output is correct
55 Correct 10 ms 1408 KB Output is correct
56 Correct 6 ms 1152 KB Output is correct
57 Correct 10 ms 2048 KB Output is correct
58 Correct 23 ms 3712 KB Output is correct
59 Correct 35 ms 4472 KB Output is correct
60 Correct 281 ms 8568 KB Output is correct
61 Correct 66 ms 4992 KB Output is correct
62 Correct 69 ms 5368 KB Output is correct
63 Correct 287 ms 7508 KB Output is correct
64 Correct 86 ms 5112 KB Output is correct
65 Correct 319 ms 8444 KB Output is correct
66 Correct 261 ms 6124 KB Output is correct
67 Correct 397 ms 7312 KB Output is correct
68 Correct 194 ms 4856 KB Output is correct
69 Correct 4 ms 384 KB Output is correct