제출 #1320397

#제출 시각아이디문제언어결과실행 시간메모리
1320397Thanhs경주 (Race) (IOI11_race)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define name "TENBAI" #define fi first #define se second #define int long long #define endl '\n' #define setmin(x, y) x = min((x), (y)) #define setmax(x, y) x = max((x), (y)) #define sqr(x) ((x) * (x)) #define all(x) x.begin(), x.end() mt19937 hdp(chrono::high_resolution_clock::now().time_since_epoch().count()); int rand(int l, int r){return l + ((hdp() % (r - l + 1)) + r - l + 1) % (r - l + 1);} void solve() { cout << "CORRECT."; exit(0); } signed main() { if (fopen("in.txt", "r")) { freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); } else if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); } ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int tc = 1; // cin >> tc; while (tc--) solve(); }

컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'int main()':
race.cpp:27:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         freopen("in.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
race.cpp:28:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen("out.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
race.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
race.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccTpOnYn.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCfVmYc.o:race.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccTpOnYn.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status