Submission #1061960

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061960		Hectorungo_18	Roller Coaster Railroad (IOI16_railroad)	C++14	Compilation error	0 ms	0 KiB

railroad

#include <bits/stdc++.h>
using namespace std;

// #define int long long

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = s.size();
    vector<pair<int, int>> v(n);
    for(int i = 0; i < n; i++){
        v[i]={s[i], t[i]};
    }
    sort(v.begin(), v.end());

    vector<pair<int, int>> sol;
    long long int ans = 1e18+7;

    do{
        int ex = 1;
        long long int aux = 0;
        for(int i = 0; i < n; i++){
            if(ex <= v[i].first){
                ex = v[i].second;
                continue;
            }
            aux+=ex-v[i].first;
            ex = v[i].second;
            if(aux < 0) break;
        }
        if(aux < 0) continue;
        if(ans > aux){
            ans = aux;
            sol = v;
        }

    }
    while(next_permutation(v.begin(), v.end()));

    // cout << ans << endl;
    // for(auto x : sol){
    //     cout << x.first << " " << x.second << endl;;
    // }


    return ans;
}

signed main() {
//   ios::sync_with_stdio(false); cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> s(n), t(n);
    for(int i = 0; i < n; i++){
        cin >> s[i] >> t[i];
    }

    cout << plan_roller_coaster(s, t) << endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccU7MohS.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccfsOEzR.o:railroad.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status