oj.uz

답안 #86573

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
86573 2018-11-26T16:15:57 Z tjdgus4384 주유소 (KOI16_gas) C++14
100 / 100
 57 ms 52132 KB 
#include<cstdio>
#include<vector>
#include<string.h>
#include<algorithm>
#include<queue>
using namespace std;
typedef pair<long long, long long> pi;
typedef pair<pair<long long, long long>, long long> ppi;
long long p[2501];
long long dist[2501][2501];
vector<pi> v[2501];
priority_queue<ppi , vector<ppi>, greater<ppi> > pq;

int main()
{
    int n, m, a, b, c;
    scanf("%d %d", &n, &m);
    for(int i = 1;i <= n;i++) scanf("%lld", &p[i]);
    for(int i = 0;i < m;i++)
    {
        scanf("%d %d %d", &a, &b, &c);
        v[a].push_back({b, c});
        v[b].push_back({a, c});
    }
    //dijkstra
    //(지금까지돈, 도시, 지금까지최소기름값)
    pq.push({{0, 1}, p[1]});
    memset(dist, -1, sizeof(dist));
    while(!pq.empty())
    {
        long long s = pq.top().first.first;
        long long f = pq.top().first.second;
        long long t = pq.top().second;
        pq.pop();
        if(dist[f][t] != -1) continue;
        dist[f][t] = s;
        if(f == n)
        {
            printf("%lld", s);
            return 0;
        }
        for(int i = 0;i < v[f].size();i++)
        {
            if(dist[v[f][i].first][min(t, p[v[f][i].first])] != -1) continue;
            pq.push({{s + t * v[f][i].second, v[f][i].first}, min(t, p[v[f][i].first])});
        }
    }
}

Compilation message

gas.cpp: In function 'int main()':
gas.cpp:42:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < v[f].size();i++)
                       ~~^~~~~~~~~~~~~
gas.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
gas.cpp:18:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1;i <= n;i++) scanf("%lld", &p[i]);
                               ~~~~~^~~~~~~~~~~~~~~
gas.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &a, &b, &c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 49400 KB Output is correct
2 Correct 45 ms 49400 KB Output is correct
3 Correct 43 ms 49448 KB Output is correct
4 Correct 42 ms 49448 KB Output is correct
5 Correct 42 ms 49448 KB Output is correct
6 Correct 42 ms 49524 KB Output is correct
7 Correct 43 ms 49560 KB Output is correct
8 Correct 46 ms 49620 KB Output is correct
9 Correct 43 ms 49620 KB Output is correct
10 Correct 43 ms 49620 KB Output is correct
11 Correct 45 ms 49620 KB Output is correct
12 Correct 42 ms 49620 KB Output is correct
13 Correct 45 ms 49620 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 49780 KB Output is correct
2 Correct 47 ms 49868 KB Output is correct
3 Correct 45 ms 49936 KB Output is correct
4 Correct 44 ms 50104 KB Output is correct
5 Correct 44 ms 50104 KB Output is correct
6 Correct 44 ms 50108 KB Output is correct
7 Correct 44 ms 50156 KB Output is correct
8 Correct 45 ms 50208 KB Output is correct
9 Correct 48 ms 50276 KB Output is correct
10 Correct 44 ms 50328 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 50328 KB Output is correct
2 Correct 46 ms 50536 KB Output is correct
3 Correct 46 ms 50688 KB Output is correct
4 Correct 47 ms 50700 KB Output is correct
5 Correct 45 ms 50736 KB Output is correct
6 Correct 47 ms 50828 KB Output is correct
7 Correct 47 ms 50892 KB Output is correct
8 Correct 48 ms 50948 KB Output is correct
9 Correct 47 ms 51012 KB Output is correct
10 Correct 47 ms 51060 KB Output is correct
11 Correct 48 ms 51112 KB Output is correct

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 49400 KB Output is correct
2 Correct 45 ms 49400 KB Output is correct
3 Correct 43 ms 49448 KB Output is correct
4 Correct 42 ms 49448 KB Output is correct
5 Correct 42 ms 49448 KB Output is correct
6 Correct 42 ms 49524 KB Output is correct
7 Correct 43 ms 49560 KB Output is correct
8 Correct 46 ms 49620 KB Output is correct
9 Correct 43 ms 49620 KB Output is correct
10 Correct 43 ms 49620 KB Output is correct
11 Correct 45 ms 49620 KB Output is correct
12 Correct 42 ms 49620 KB Output is correct
13 Correct 45 ms 49620 KB Output is correct
14 Correct 43 ms 51112 KB Output is correct
15 Correct 42 ms 51112 KB Output is correct
16 Correct 43 ms 51112 KB Output is correct
17 Correct 44 ms 51112 KB Output is correct
18 Correct 44 ms 51220 KB Output is correct
19 Correct 44 ms 51220 KB Output is correct
20 Correct 44 ms 51220 KB Output is correct
21 Correct 44 ms 51220 KB Output is correct
22 Correct 42 ms 51220 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 49400 KB Output is correct
2 Correct 45 ms 49400 KB Output is correct
3 Correct 43 ms 49448 KB Output is correct
4 Correct 42 ms 49448 KB Output is correct
5 Correct 42 ms 49448 KB Output is correct
6 Correct 42 ms 49524 KB Output is correct
7 Correct 43 ms 49560 KB Output is correct
8 Correct 46 ms 49620 KB Output is correct
9 Correct 43 ms 49620 KB Output is correct
10 Correct 43 ms 49620 KB Output is correct
11 Correct 45 ms 49620 KB Output is correct
12 Correct 42 ms 49620 KB Output is correct
13 Correct 45 ms 49620 KB Output is correct
14 Correct 44 ms 49780 KB Output is correct
15 Correct 47 ms 49868 KB Output is correct
16 Correct 45 ms 49936 KB Output is correct
17 Correct 44 ms 50104 KB Output is correct
18 Correct 44 ms 50104 KB Output is correct
19 Correct 44 ms 50108 KB Output is correct
20 Correct 44 ms 50156 KB Output is correct
21 Correct 45 ms 50208 KB Output is correct
22 Correct 48 ms 50276 KB Output is correct
23 Correct 44 ms 50328 KB Output is correct
24 Correct 47 ms 50328 KB Output is correct
25 Correct 46 ms 50536 KB Output is correct
26 Correct 46 ms 50688 KB Output is correct
27 Correct 47 ms 50700 KB Output is correct
28 Correct 45 ms 50736 KB Output is correct
29 Correct 47 ms 50828 KB Output is correct
30 Correct 47 ms 50892 KB Output is correct
31 Correct 48 ms 50948 KB Output is correct
32 Correct 47 ms 51012 KB Output is correct
33 Correct 47 ms 51060 KB Output is correct
34 Correct 48 ms 51112 KB Output is correct
35 Correct 43 ms 51112 KB Output is correct
36 Correct 42 ms 51112 KB Output is correct
37 Correct 43 ms 51112 KB Output is correct
38 Correct 44 ms 51112 KB Output is correct
39 Correct 44 ms 51220 KB Output is correct
40 Correct 44 ms 51220 KB Output is correct
41 Correct 44 ms 51220 KB Output is correct
42 Correct 44 ms 51220 KB Output is correct
43 Correct 42 ms 51220 KB Output is correct
44 Correct 46 ms 51220 KB Output is correct
45 Correct 47 ms 51304 KB Output is correct
46 Correct 47 ms 51388 KB Output is correct
47 Correct 57 ms 51800 KB Output is correct
48 Correct 48 ms 51800 KB Output is correct
49 Correct 49 ms 52052 KB Output is correct
50 Correct 46 ms 52052 KB Output is correct
51 Correct 56 ms 52132 KB Output is correct
52 Correct 46 ms 52132 KB Output is correct