제출 #500905

#제출 시각아이디문제언어결과실행 시간메모리
500905aymanrs동굴 (IOI13_cave)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; int tryCombination(int S[]);//{ // cout << "--------------------------------\n"; // for(int i = 0;i < n;i++) cout << S[i] << '\n'; // cout << "--------------------------------\n"; // int r; // cin >> r; // return r; // } void answer(int S[], int D[]);//{ // for(int i = 0;i < n;i++) cout << S[i] << ' ' << D[i] << '\n'; // } void exploreCave(int N){ int S[N] = {0}, D[N]; vector<int> s; for(int i = 0;i < N;i++) s.push_back(i); for(int i = 0;i < N;i++){ for(int j : s) S[j] = 0; int l = 0, r = s.size()-1, m, b, g = tryCombination(S), f; if(g == -1 || g>i) f = 0; else { for(int j : s) S[j] = 1; f = 1; } while(l <= r){ m = (l+r)/2; for(int j = l;j <= m;j++) S[s[j]] = 1^f; g = tryCombination(S); for(int j = l;j <= m;j++) S[s[j]] = f; if(g != -1 && g <= i){ b = m; r = m-1; } else { l = m+1; } } D[s[b]] = i; S[s[b]] = f; s.erase(s.begin()+b); } answer(S, D); } // int main(){ // exploreCave(n); // }

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:38:8: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |   D[s[b]] = i;
      |        ^
/usr/bin/ld: /tmp/ccEKJ8Ca.o: in function `exploreCave(int)':
cave.cpp:(.text+0x1ad): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x224): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x2e0): undefined reference to `answer(int*, int*)'
/usr/bin/ld: /tmp/ccLINNEc.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status