#include "souvenirs.h" #include <vector> using namespace std; pair<vector<int>, long long> result; void buy_souvenirs(int N, long long P0) { for (int i = 0; i < N; i++){ for (int j = 0; j <= i; j++){ result = transaction(P0-i); } } return 0; }

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:11:10: error: return-statement with a value, in function returning 'void' [-fpermissive]
   11 |   return 0;
      |          ^