oj.uz

답안 #113956

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
113956 2019-05-29T09:49:10 Z Kastanda 시간이 돈 (balkan11_timeismoney) C++11
80 / 100
 1657 ms 564 KB 
#include<bits/stdc++.h>
using namespace std;
struct Edge {int a, b, c, t;};
const int N = 205, M = 10004;
int n, m, rc, rt, smc, smt, P[N];
Edge E[M], R[N];
int Find(int v)
{
    return (P[v] < 0 ? v : (P[v] = Find(P[v])));
}
inline bool CMP(Edge e1, Edge e2)
{
    return (e1.c * rc + e1.t * rt < e2.c * rc + e2.t * rt);
}
inline void MST()
{
    int _smc = 0, _smt = 0;
    vector < Edge > vec;
    sort(E, E + m, CMP);
    memset(P, -1, sizeof(P));
    for (int i = 0; i < m; i++)
        if (Find(E[i].a) != Find(E[i].b))
        {
            P[Find(E[i].a)] = Find(E[i].b);
            _smc += E[i].c;
            _smt += E[i].t;
            vec.push_back(E[i]);
        }
    if (1LL * smc * smt > 1LL * _smc * _smt)
    {
        smc = _smc; smt = _smt;
        for (int i = 0; i < n - 1; i++)
            R[i] = vec[i];
    }
}
int main()
{
    scanf("%d%d", &n, &m);
    for (int i = 0; i < m; i++)
    {
        int a, b, c, d;
        scanf("%d%d%d%d", &a, &b, &c, &d);
        E[i] = {a, b, c, d};
    }
    smc = smt = M * N;
    /*for (int i = 0; i < 300; i++)
    {
        rt = i; rc = 300; MST();
        rc = i; rt = 300; MST();
    }*/
    for (int i = 0; i < 800; i++)
    {
        rt = i; rc = 3; MST();
        rc = i; rt = 3; MST();
    }
    printf("%d %d\n", smc, smt);
    for (int i = 0; i < n - 1; i++)
        printf("%d %d\n", R[i].a, R[i].b);
    return 0;
}

Compilation message

timeismoney.cpp: In function 'int main()':
timeismoney.cpp:38:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
timeismoney.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", &a, &b, &c, &d);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
80.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 6 ms 484 KB Output is correct
5 Correct 28 ms 384 KB Output is correct
6 Correct 23 ms 384 KB Output is correct
7 Correct 136 ms 504 KB Output is correct
8 Correct 669 ms 532 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 7 ms 384 KB Output is correct
13 Correct 8 ms 384 KB Output is correct
14 Correct 51 ms 384 KB Output is correct
15 Incorrect 38 ms 384 KB Output isn't correct
16 Correct 296 ms 384 KB Output is correct
17 Incorrect 301 ms 384 KB Output isn't correct
18 Correct 308 ms 384 KB Output is correct
19 Incorrect 1630 ms 564 KB Output isn't correct
20 Incorrect 1657 ms 564 KB Output isn't correct