Submission #1276833

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276833		nguyenhuuhongquan	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
#define ull unsigned long long
#define BIG __int128
#define fi first
#define se second
#define MASK(i) (1ll << i)
#define BIT(x, i) (((x) >> (i)) & 1)
#define sz(x) (int)(x).size()
#define debug cout << "NO ERROR", exit(0);
#define TASK "txt"
#define IOS ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
const int MOD = 1e9 + 7;
const int INF = 1e18;
const int LimN = 1e5 + 5;
void maximize(int &x, int y){
    x = max(x, y);
}
void minimize(int &x, int y){
    x = min(x, y);
}
void add(int &x, int y){
    x = (x % MOD + y % MOD) % MOD;
}
void buy_souvenirs(int N, long long P0){
    transaction(P0 - 1);
}
void solve(){
}
// Authors: Nguyen Huu Hong Quan from Tay Son Secondary school Da Nang
signed main(){
    IOS;
    if (fopen(TASK".inp", "r")){
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }
    int Q = 1, NumTest = 0;
    //cin >> Q;
    for (int i = 1; i <= Q; i ++){
        if (NumTest) cout << "Case #" << i << ": ";
        solve();
    }
}

Compilation message (stderr)

souvenirs.cpp: In function 'void buy_souvenirs(long long int, long long int)':
souvenirs.cpp:28:5: error: 'transaction' was not declared in this scope
   28 |     transaction(P0 - 1);
      |     ^~~~~~~~~~~
souvenirs.cpp: In function 'int main()':
souvenirs.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen(TASK".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
souvenirs.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen(TASK".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~