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답안 #237676

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
237676 2020-06-08T09:24:00 Z VEGAnn 시간이 돈 (balkan11_timeismoney) C++14
100 / 100
 1275 ms 632 KB 
#include <bits/stdc++.h>
#define l2 array<ll,2>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N = 210;
const int M = 10010;
const ll OO = 1e18;
const ld E = 1e-9;
int n, m, x[M], y[M], t[M], c[M], nm[M], pr[N], gcnt = 0, msa, msb;
ll ans = OO;
ld ga, gb, ma, mb;

ld func(int nm){
    return ld(t[nm]) * ga + ld(c[nm]) * gb;
}

bool cmp(int _x, int _y){
    return (func(_x) < func(_y));
}

int get(int x) { return (pr[x] == x ? x : pr[x] = get(pr[x])); }

l2 build(ld a, ld b, bool flag){
    ga = a; gb = b;

    sort(nm, nm + m, cmp);

    gcnt++;

    for (int i = 0; i < n; i++)
        pr[i] = i;

    int sa = 0, sb = 0;

    for (int it = 0; it < m; it++){
        int i = nm[it];

        int cx = get(x[i]), cy = get(y[i]);

        if (cx == cy) continue;

        if (flag)
            cout << x[i] << " " << y[i] << '\n';

        pr[cx] = cy;

        sa += t[i];
        sb += c[i];
    }

    if (ans > ll(sa) * ll(sb)){
        ans = ll(sa) * ll(sb);
        msa = sa;
        msb = sb;
        ma = ga;
        mb = gb;
    }

    return {sa, sb};
}

bool ok(l2 fi, l2 se, l2 td){
    return (se[0] - fi[0]) * (td[1] - fi[1]) - (se[1] - fi[1]) * (td[0] - fi[0]) < 0;
}

void calc(l2 lf, l2 rt){
    ld na = ld(rt[1]) - ld(lf[1]);
    ld nb = ld(lf[0]) - ld(rt[0]);

    if (na < 0){
        na = -na;
        nb = -nb;
    }

    l2 cur = build(na, nb, 0);

    if (!ok(lf, rt, cur)) return;

    calc(lf, cur);
    calc(cur, rt);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n >> m;

    for (int i = 0; i < m; i++){
        cin >> x[i] >> y[i] >> t[i] >> c[i];
        nm[i] = i;
    }

    calc(build(1.0, 0.0, 0), build(0.0, 1.0, 0));

    cout << msa << " " << msb << '\n';

    build(ma, mb, 1);

    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 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 6 ms 384 KB Output is correct
8 Correct 12 ms 512 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 13 ms 384 KB Output is correct
15 Correct 11 ms 384 KB Output is correct
16 Correct 142 ms 384 KB Output is correct
17 Correct 153 ms 504 KB Output is correct
18 Correct 140 ms 384 KB Output is correct
19 Correct 1245 ms 584 KB Output is correct
20 Correct 1275 ms 632 KB Output is correct