Submission #1258942

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258942		dattenlamj	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

std::pair<std::vector<int>, long long> transaction(long long M) ;
void buy_souvenirs(int n, long long P0){
    auto [v,x] = transaction(P0-1);
    int a[n];
    for (int i=0;i<n;i++){
        a[i]=0;
    }
    a[0]=P0;
    if (v.size()==1){
        a[1]=P0-1-x;
        transaction(a[1]-1);
        transaction(a[1]-1);
    }
    else{
        int y=P0-x;
        transaction(y/2);
    }
}

Compilation message (stderr)

souvenirs.cpp:2:6: error: 'pair' in namespace 'std' does not name a template type
    2 | std::pair<std::vector<int>, long long> transaction(long long M) ;
      |      ^~~~
souvenirs.cpp:1:1: note: 'std::pair' is defined in header '<utility>'; did you forget to '#include <utility>'?
  +++ |+#include <utility>
    1 | 
souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:4:18: error: 'transaction' was not declared in this scope
    4 |     auto [v,x] = transaction(P0-1);
      |                  ^~~~~~~~~~~