oj.uz

답안 #84502

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
84502 2018-11-15T18:00:31 Z mraron 경찰관과 강도 (BOI14_coprobber) C++14
100 / 100
 875 ms 7772 KB 
#include "coprobber.h"
#include <bits/stdc++.h>
using namespace std;

const int COP=0, ROB=1;

int deg[501][501][2];
int ans[501][501];

int start(int N, bool A[MAX_N][MAX_N]) {
	for(int c=0;c<N;++c) {
		for(int r=0;r<N;++r) {
			deg[c][r][COP]=1;
			deg[c][r][ROB]=count(A[r], A[r]+N, true);
		}
	}
	
	queue<array<int, 3>> q;
	for(int i=0;i<N;++i) {
		deg[i][i][COP]=deg[i][i][ROB]=0;
		q.push({i,i,0});
		q.push({i,i,1});
	}
	
	int cnt=0;
	while(!q.empty()) {
		auto fr=q.front();
		q.pop();
		//cerr<<fr[0]<<" "<<fr[1]<<" "<<fr[2]<<"\n";
		cnt++;
		
		if(fr[2]==COP) {
			for(int i=0;i<N;++i) {
				if(A[i][fr[1]] && deg[fr[0]][i][ROB]) {
					deg[fr[0]][i][ROB]--;
					if(deg[fr[0]][i][ROB]==0) {
						q.push({fr[0], i, ROB});
					}
				}
			}
		}else {
			for(int i=0;i<N;++i) {
				if((fr[0]==i||A[i][fr[0]]) && deg[i][fr[1]][COP]) {
					deg[i][fr[1]][COP]--;
					if(deg[i][fr[1]][COP]==0) {
						ans[i][fr[1]]=fr[0];
						q.push({i, fr[1], COP});
					}
				}
			}
		}
	}
	//cerr<<cnt<<" "<<2*N*N<<"\n";
    return (cnt==2*N*N?0:-1);
}

int akt=0;
int nextMove(int R)
{
    return akt=ans[akt][R];
}

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 341 ms 4776 KB Output is correct
5 Correct 50 ms 2552 KB Output is correct
6 Correct 418 ms 4984 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 343 ms 4688 KB Output is correct
4 Correct 338 ms 4728 KB Output is correct
5 Correct 329 ms 4664 KB Output is correct
6 Correct 410 ms 4600 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 4 ms 1024 KB Output is correct
11 Correct 5 ms 1024 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 3 ms 768 KB Output is correct
14 Correct 5 ms 1024 KB Output is correct
15 Correct 3 ms 768 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 10 ms 1280 KB Output is correct
18 Correct 4 ms 896 KB Output is correct
19 Correct 2 ms 384 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 340 ms 4680 KB Output is correct
5 Correct 49 ms 2552 KB Output is correct
6 Correct 420 ms 4928 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 341 ms 4700 KB Output is correct
10 Correct 345 ms 4780 KB Output is correct
11 Correct 324 ms 4600 KB Output is correct
12 Correct 417 ms 4600 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 4 ms 1024 KB Output is correct
18 Correct 5 ms 1024 KB Output is correct
19 Correct 3 ms 512 KB Output is correct
20 Correct 3 ms 896 KB Output is correct
21 Correct 6 ms 1024 KB Output is correct
22 Correct 3 ms 768 KB Output is correct
23 Correct 3 ms 768 KB Output is correct
24 Correct 9 ms 1280 KB Output is correct
25 Correct 3 ms 1024 KB Output is correct
26 Correct 11 ms 1664 KB Output is correct
27 Correct 50 ms 2936 KB Output is correct
28 Correct 93 ms 3576 KB Output is correct
29 Correct 591 ms 7772 KB Output is correct
30 Correct 131 ms 4216 KB Output is correct
31 Correct 150 ms 4472 KB Output is correct
32 Correct 673 ms 6592 KB Output is correct
33 Correct 179 ms 4088 KB Output is correct
34 Correct 858 ms 7452 KB Output is correct
35 Correct 411 ms 5280 KB Output is correct
36 Correct 875 ms 6416 KB Output is correct
37 Correct 341 ms 3964 KB Output is correct
38 Correct 2 ms 384 KB Output is correct