제출 #709230

#제출 시각아이디문제언어결과실행 시간메모리
709230ssenseUnscrambling a Messy Bug (IOI16_messy)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "messy.h" #define startt ios_base::sync_with_stdio(false);cin.tie(0); typedef long long ll; using namespace std; #define vint vector<int> string convert(int x) { string now = "00000000"; for(int i = 0; i < 8; i++) { if(x&(1<<i)) { now[i] = "1"; } } return now; } int restore_permutation(int n, int w, int r, int* ans) { string now = "00000000"; for(int i = 0; i < 7; i++) { now[i] = '1'; add_element(now); } compile_set(); vector<vint> bits(8); for(int i = 1; i <= 256; i++) { bits[__builtin_popcount(i)].push_back(i); } int already = 0; int idx = 0; for(auto v : bits) { for(auto x : v) { if(check_element(convert(x))) { int acc = x-already; ans[idx] = 31-__builtin_clz(acc); already = x; break; } } idx++; } } /* int32_t main(){ startt int t = 1; //cin >> t; while (t--) { solve(); } } */

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'std::string convert(int)':
messy.cpp:16:22: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   16 |             now[i] = "1";
      |                      ^~~
      |                      |
      |                      const char*
messy.cpp: In function 'int restore_permutation(int, int, int, int*)':
messy.cpp:52:1: warning: no return statement in function returning non-void [-Wreturn-type]
   52 | }
      | ^