제출 #1276835

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1276835		nguyenhuuhongquan	선물 (IOI25_souvenirs)	C++20	컴파일 에러	0 ms	0 KiB

souvenirs

#include <bits/stdc++.h>
using namespace std;
#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;
}
#ifdef LOCAL
void buy_souvenirs(int N, long long P0){
    transaction(P0 - 1);
}
#endif
void solve(){
}
// Authors: Nguyen Huu Hong Quan from Tay Son Secondary school Da Nang
signed main(){
    IOS;
    if (fopen(TASK".inp", "r")){
        (void)freopen(TASK".inp", "r", stdin);
        (void)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();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

souvenirs.cpp:15:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   15 | const int INF = 1e18;
      |                 ^~~~
souvenirs.cpp: In function 'int main()':
souvenirs.cpp:37:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         (void)freopen(TASK".inp", "r", stdin);
      |               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
souvenirs.cpp:38:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         (void)freopen(TASK".out", "w", stdout);
      |               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc3wcBn5.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccFTNj7o.o:souvenirs.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc3wcBn5.o: in function `main':
stub.cpp:(.text.startup+0x99): undefined reference to `buy_souvenirs(int, long long)'
collect2: error: ld returned 1 exit status