Submission #359963

# Submission time Handle Problem Language Result Execution time Memory
359963 2021-01-27T11:29:16 Z teehandsome Fuel Station (NOI20_fuelstation) C++11
13 / 100
172 ms 16916 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define INF 1e9+7
#define all(x) x.begin(),x.end()
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int,int>;
using ppi=pair<int,pii>;
using oset=tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;

template<typename T>
void _print(vector<T> x) {cerr<<"{"; for(auto e:x) cerr<<e<<","; cerr<<"}";}
void _print(pii x) {cerr<<"{"<<x.first<<","<<x.second<<"}";}
template<typename T>
void _print(T x) {cerr<<x;}

void dbg() {cerr<<endl;}
template<typename Head,typename... Tail>
void dbg(Head H,Tail... T) {
    _print(H);
    if(sizeof...(T)) cerr<<",";
    else cerr<<"\"]";
    dbg(T...);
}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:[\"",dbg(__VA_ARGS__)

int n,d;
vector<ll> B;
struct dt {
    int x,a,b;
    bool operator<(const dt &r) {
        return x<r.x;
    };
};
vector<dt> shop;

bool ok(ll f) {
    ll sum=0;
    ll f_rem=INF;
    for(int i=0;i<n+1;i++) {
        if(shop[i].b<f) continue;
        f_rem=min(f_rem,f+sum-shop[i].x);
        sum+=shop[i].a;
    }
    if(f_rem>=0) {
        cout<<f-f_rem<<endl; return true;
    }
    return false;
}

int main () {
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>n>>d;
    for(int i=0;i<n;i++) {
        int x,a,b; cin>>x>>a>>b;
        shop.push_back({x,a,b});
        B.push_back(b);
    }
    sort(all(shop)); shop.push_back({d,0,d});
    sort(all(B)); B.erase(unique(all(B)),end(B));
    for(auto e:B) {
        if(ok(e)) {
            return 0;
        }
    }
}

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 152 ms 16364 KB Output is correct
2 Correct 150 ms 16524 KB Output is correct
3 Correct 151 ms 16236 KB Output is correct
4 Correct 161 ms 16492 KB Output is correct
5 Correct 144 ms 16876 KB Output is correct
6 Correct 166 ms 15980 KB Output is correct
7 Correct 166 ms 15864 KB Output is correct
8 Correct 163 ms 16364 KB Output is correct
9 Correct 165 ms 16832 KB Output is correct
10 Correct 159 ms 16012 KB Output is correct
11 Correct 161 ms 15980 KB Output is correct
12 Correct 144 ms 16364 KB Output is correct
13 Correct 172 ms 15980 KB Output is correct
14 Correct 150 ms 16364 KB Output is correct
15 Correct 152 ms 16372 KB Output is correct
16 Correct 152 ms 16876 KB Output is correct
17 Correct 147 ms 16916 KB Output is correct
18 Correct 149 ms 16364 KB Output is correct
19 Correct 159 ms 16456 KB Output is correct
20 Correct 169 ms 16356 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -