Submission #1122233

#	Time	Username	Problem	Language	Result	Execution time	Memory
1122233		Icelast	Bulldozer (JOI17_bulldozer)	C++17	5 / 100	1 ms	504 KiB

bulldozer

#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 4e18+9;
struct point{
    ll x, y, w;
};
void sub1(int n, vector<point> a){
    sort(a.begin(), a.end(), [&](point a, point b){return a.x < b.x;});
    vector<ll> f(n+1, 0);
    ll ans = 0;
    for(int i = 1; i <= n; i++){
        f[i] = max(f[i-1]+a[i].w, a[i].w);
        ans = max(ans, f[i]);
    }
    cout << ans;
}
void solve(){
    int n;
    cin >> n;
    vector<point> a(n+1);
    bool issub1 = true;
    for(int i = 1; i <= n; i++){
        cin >> a[i].x >> a[i].y >> a[i].w;
        if(a[i].y != 0) issub1 = false;
    }
    if(issub1){
        sub1(n, a);
        return;
    }
    sub1(n, a);
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    //freopen("TRUFFLE.inp", "r", stdin);
    //freopen("TRUFFLE.out", "w", stdout);
    solve();
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 20
• Subtask 3: 0 / 35
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20