Submission #233309

#	Time	Username	Problem	Language	Result	Execution time	Memory
233309		VEGAnn	Segway (COI19_segway)	C++14	15 / 100	13 ms	1024 KiB

segway

#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define PB push_back
using namespace std;
const int N = 20100;
const int md = int(1e9) + 7;
int a[N][3], n, nm[N], tim[N], m, pos, ans[N];

bool cmp(int _x, int _y){
    return tim[_x] < tim[_y];
}

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

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

    cin >> n;

    for (int i = 0; i < n; i++)
        cin >> a[i][0] >> a[i][1] >> a[i][2];

    cin >> m;

    assert(m == 1);

    cin >> pos;

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

        if (pos < 100){
            tim[i] = a[i][0] * pos;
        } else if (pos < 200){
            tim[i] = a[i][1] * (pos - 100) + a[i][0] * 100;
        } else {
            tim[i] = a[i][2] * (pos - 200) + a[i][1] * 100 + a[i][0] * 100;
        }

        nm[i] = i;
    }

    sort(nm, nm + n, cmp);

    for (int i = 0; i < n; ){
        int loc = i;

        int kol = min(300 - pos, i % 20);

        while (loc < n && tim[nm[i]] == tim[nm[loc]]){
            int j = nm[loc];

            ans[j] = tim[j] + kol;

            int ps = pos + kol;

            if (ps < 100){
                ans[j] += a[j][0] * (100 - ps) + a[j][1] * 100 + a[j][2] * 100;
            } else if (ps < 200){
                ans[j] += a[j][1] * (200 - ps) + a[j][2] * 100;
            } else {
                ans[j] += a[j][2] * (300 - ps);
            }

            loc++;
        }

        i = loc;
    }

    for (int i = 0; i < n; i++)
        cout << ans[i] << '\n';

    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45