제출 #992836

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
992836		vjudge1	Cave (IOI13_cave)	C++17	컴파일 에러	0 ms	0 KiB

cave

#include "cave.h"
void exploreCave(int n) {
    int sure[n] = {}, correct[n] = {}, index[n] = {};
    for (int i = 0; i < n; i++) {
        int open = tryCombination(correct) == i;
        int l = 0, r = n-1;
        while (l < r) {
            const int mid = (l+r)/2;
            int cpy[n];
            memcpy(correct, cpy, sizeof c)
            if (!open)
                for (int i = mid+1; i < n; i++)
                    if (!sure[i])				
                        cpy[i] = 1;
            else
                for (int i = 0; i <= mid; i++)
                    if (!sure[i])
                        cpy[i] = 1;
            
            if (tryCombination(cpy) == i)
                l = mid+1;
            else
                r = mid;
        } 
        index[l] = i, correct[l] = open, sure[l] = 1;
    }
    answer(correct, index);
}

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:10:41: error: 'c' was not declared in this scope
   10 |             memcpy(correct, cpy, sizeof c)
      |                                         ^
cave.cpp:10:13: error: 'memcpy' was not declared in this scope
   10 |             memcpy(correct, cpy, sizeof c)
      |             ^~~~~~
cave.cpp:2:1: note: 'memcpy' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include "cave.h"
  +++ |+#include <cstring>
    2 | void exploreCave(int n) {
cave.cpp:12:39: warning: statement has no effect [-Wunused-value]
   12 |                 for (int i = mid+1; i < n; i++)
      |                                     ~~^~~
cave.cpp:12:47: error: expected ';' before ')' token
   12 |                 for (int i = mid+1; i < n; i++)
      |                                               ^
      |                                               ;
cave.cpp:15:13: error: 'else' without a previous 'if'
   15 |             else
      |             ^~~~