Submission #708646

#	Time	Username	Problem	Language	Result	Execution time	Memory
708646		PixelCat	Two Dishes (JOI19_dishes)	C++14	0 / 100	2 ms	468 KiB

dishes

#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define sz(x) ((int)x.size())
#define all(x) x.begin(), x.end()
#define eb emplace_back
#define int LL
using namespace std;
using LL = long long;
using pii = pair<int, int>;

const int MAXN = 1000010;

struct OWO {
    int a, s, p;
};
OWO a[MAXN];
OWO b[MAXN];

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    // NYA =^-w-^=
    int n, m; cin >> n >> m;
    int nowt = 0;
    For(i, 1, n) {
        auto &owo = a[i];
        cin >> owo.a >> owo.s >> owo.p;
        assert(owo.p == 1);
        nowt += owo.a;
    }
    For(i, 1, m) {
        auto &owo = b[i];
        cin >> owo.a >> owo.s >> owo.p;
        assert(owo.p == 1);
        nowt += owo.a;
    }
    int i = n, j = m;
    int ans = 0;
    while(i || j) {
        int sel = -1; // 1 for a, 2 for b
        if(i == 0) sel = 2;
        else if(j == 0) sel = 1;
        else if(nowt <= a[i].s) sel = 1;
        else if(nowt <= b[j].s) sel = 2;
        else if(a[i].a > b[i].a) sel = 1;
        else sel = 2;

        if(sel == 1) {
            ans += (nowt <= a[i].s);
            nowt -= a[i].a;
            i--;
        } else {
            ans += (nowt <= b[j].s);
            nowt -= b[j].a;
            j--;
        }
    }
    cout << ans << "\n";
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 3
• Subtask 3: 0 / 7
• Subtask 4: 0 / 39
• Subtask 5: 0 / 11
• Subtask 6: 0 / 9
• Subtask 7: 0 / 17
• Subtask 8: 0 / 9