제출 #1104866

#제출 시각아이디문제언어결과실행 시간메모리
1104866monaxia콤보 (IOI18_combo)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "combo.h" #define pb push_back #define ppb pop_back #define fr first #define sc second #define all(v) v.begin(), v.end() #define eps (long long)(1e-9) using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; const ll Mod = 1e9 + 7; string guess_sequence(int n){ string ans = "", temp = "ABXY"; int cnt = 0; while(cnt != n){ for(auto& x : temp){ ans.pb(x); if(press(ans) > cnt){ cnt ++; break; } ans.ppb(); } } return ans; } signed main() { cin.tie(0)->sync_with_stdio(0); if(fopen("blank.inp", "r")){ freopen("blank.inp", "r", stdin); freopen("blank.out", "w", stdout); } // cout << 1; return 0; ll n = 1; // cin >> n; // while(n) { // solve(); // n --; // cout << "\n"; // } // cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n"; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'int main()':
combo.cpp:47:8: warning: unused variable 'n' [-Wunused-variable]
   47 |     ll n = 1;
      |        ^
combo.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         freopen("blank.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
combo.cpp:42:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         freopen("blank.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccxpbQxU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc5OCpSV.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status