Submission #1287455

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287455		nikoloz-ch	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

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

void buy_souvenirs(int N, long long P0){}

pair<vector<int>, long long> transaction(long long M){}

int main(){
    int n, p0; cin >> n >> p0;
    buy_souvenirs(n,p0);
    auto pii = transaction(p0-1);
}

Compilation message (stderr)

souvenirs.cpp: In function 'std::pair<std::vector<int>, long long int> transaction(long long int)':
souvenirs.cpp:7:55: warning: no return statement in function returning non-void [-Wreturn-type]
    7 | pair<vector<int>, long long> transaction(long long M){}
      |                                                       ^
/usr/bin/ld: /tmp/ccg1htZJ.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccv3nMyh.o:souvenirs.cpp:(.text.unlikely+0x4): first defined here
/usr/bin/ld: /tmp/ccg1htZJ.o: in function `transaction(long long)':
stub.cpp:(.text+0x200): multiple definition of `transaction(long long)'; /tmp/ccv3nMyh.o:souvenirs.cpp:(.text.unlikely+0x0): first defined here
collect2: error: ld returned 1 exit status