oj.uz

답안 #28817

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
28817 2017-07-17T09:04:34 Z Nikefor 경주 (Race) (IOI11_race) C++
0 / 100
 4 ms 744 KB 
#include "race.h"
#define inf 1<<20
int best_path(int N, int K, int H[][2], int L[])
{
    int dis[N][N][2];
    for(int i=0; i<N; i++)
        for(int j=0; j<N; j++) {
            dis[i][j][0] = dis[i][j][1] = (i==j)?0:inf;
        }
    for(int i=0; i<N; i++) {
        dis[H[i][0]][H[i][1]][0] = dis[H[i][1]][H[i][0]][0] = L[i];
        dis[H[i][0]][H[i][1]][1] = dis[H[i][1]][H[i][0]][1] = 1;
    }
    for(int i=0; i<N; i++)
        for(int j=0; j<N; j++)
            for(int k=0; k<N; k++) {
                if(dis[i][k][0] > dis[i][j][0]+dis[j][k][0]) {
                    dis[i][k][0] = dis[k][i][0] = dis[i][j][0]+dis[j][k][0];
                    dis[i][k][1] = dis[k][i][1] = dis[i][j][1]+dis[j][k][1];
                }
            }
    int opt = -1;
    for(int i=0; i<N; i++)
        for(int j=0; j<N; j++) {
            if(dis[i][j][0] == K and (dis[i][j][1] < opt or opt==-1) ) opt = dis[i][j][1];
        }
  return opt;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 4 ms 408 KB Output is correct
4 Correct 4 ms 408 KB Output is correct
5 Correct 4 ms 584 KB Output is correct
6 Correct 4 ms 584 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 3 ms 584 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 3 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Incorrect 4 ms 744 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 4 ms 408 KB Output is correct
4 Correct 4 ms 408 KB Output is correct
5 Correct 4 ms 584 KB Output is correct
6 Correct 4 ms 584 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 3 ms 584 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 3 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Incorrect 4 ms 744 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 4 ms 408 KB Output is correct
4 Correct 4 ms 408 KB Output is correct
5 Correct 4 ms 584 KB Output is correct
6 Correct 4 ms 584 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 3 ms 584 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 3 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Incorrect 4 ms 744 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 4 ms 408 KB Output is correct
4 Correct 4 ms 408 KB Output is correct
5 Correct 4 ms 584 KB Output is correct
6 Correct 4 ms 584 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 3 ms 584 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 3 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 3 ms 612 KB Output is correct
14 Correct 3 ms 612 KB Output is correct
15 Correct 3 ms 612 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Incorrect 4 ms 744 KB Output isn't correct
18 Halted 0 ms 0 KB -