Submission #1243795

#	Time	Username	Problem	Language	Result	Execution time	Memory
1243795		somefolk	Distributing Candies (IOI21_candies)	C++20	Compilation error	0 ms	0 KiB

candies

#include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <complex>
#include <list>
#include <cassert>
#include <chrono>
#include <random>
#include <stack>
#include <iomanip>
#include <fstream>
using namespace std;

#define endl "\n"
// #define int long long

const int INF = 1e9+7;
const int MOD = 1e9+7;

vector<int> distribute_candies(vector<int> a, vector<int> l, vector<int> r, vector<int> v){
    int n = (int)a.size(), q = (int)l.size();

    int option = 0;
    for(auto &i : v) if(i < 0) option = 1;

    vector<long long> sol(n, 0);

    if(option){
        for(int i = 0; i < q; i++){
            for(int j = l[i]; j <= r[i]; j++){
                if(sol[j] >= -v[i] && sol[j] <= a[j]-v[i]){
                    sol[j] += v[i];
                } else {
                    sol[j] = (v[i]>0 ? a[j] : 0);
                }
            }
        }
    } else {
        for(int i = 0; i < q; i++){
            sol[l[i]] += v[i];
            if(r[i] < n-1) sol[r[i]+1] -= v[i];
        }
        for(int i = 1; i < n; i++){
            sol[i] += sol[i-1];
        }
    }

    vector<int> sol2(n, 0);
    for(int i = 0; i < n; i++){
        if(sol[i] > a[i]) sol2[i] = a[i];
        else sol2[i] = sol[i];
    }
    
    for(auto &i : sol2){
        cout << i << " ";
    }

    return sol2;
}

int32_t main(){
    int n, q;
    cin >> n >> q;
    vector<int> a(n), l(q), r(q), v(q);
    for(int i = 0; i < n; i++) cin >> a[i];
    for(int i = 0; i < q; i++) cin >> l[i];
    for(int i = 0; i < q; i++) cin >> r[i];
    for(int i = 0; i < q; i++) cin >> v[i];
    distribute_candies(a, l, r, v);
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccbK5mmm.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccHjb9nK.o:candies.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status