#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
struct Line {
int u, v, t, c;
bool operator<(Line B) { return t + c + t * c < B.t + B.c + t * c; }
} lines[10000];
int cmp[200];
int find(int A) {
while (A != cmp[A]) cmp[A] = cmp[cmp[A]], A = cmp[A];
return A;
}
void onion(int A, int B) { cmp[find(A)] = cmp[find(B)]; }
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
FOR(i, 0, m) cin >> lines[i].u >> lines[i].v >> lines[i].t >> lines[i].c;
sort(lines, lines + m);
iota(cmp, cmp + n, 0);
vector<Line> res;
int t = 0, c = 0;
FOR(i, 0, m) {
if (find(lines[i].u) != find(lines[i].v)) {
t += lines[i].t, c += lines[i].c;
onion(lines[i].u, lines[i].v);
res.push_back(lines[i]);
}
}
cout << t << ' ' << c << '\n';
for (Line i : res) cout << i.u << ' ' << i.v << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
8 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Incorrect |
9 ms |
304 KB |
Output isn't correct |
11 |
Incorrect |
6 ms |
384 KB |
Output isn't correct |
12 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Incorrect |
9 ms |
384 KB |
Output isn't correct |
15 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
16 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
17 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
18 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
19 |
Incorrect |
12 ms |
512 KB |
Output isn't correct |
20 |
Incorrect |
8 ms |
512 KB |
Output isn't correct |