제출 #649992

#제출 시각아이디문제언어결과실행 시간메모리
649992esomerUnscrambling a Messy Bug (IOI16_messy)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "messy.h" using namespace std; #define ll long long //#define endl "\n" const int MOD = 998244353; /*void add_element(string x); void compile_set(); bool check_element(string x);*/ void add_lg(int n, int lg){ string s = ""; for(int i = 0; i < n; i++) s += '0'; s[0] = '1'; s[1] = '1'; add_element(s); s[1] = '0'; s[2] = '1'; s[3] = '1'; add_element(s); s[1] = '1'; s[2] = '0'; s[3] = '0'; for(int i = 2; i < lg; i++){ s[i] = '1'; add_element(s); } } void check_lg(int n, int lg, vector<int>& possible, vector<int>& ind){ string s = ""; for(int i = 0; i < n; i++) s += '0'; pair<int, int> initial = {-1, -1}; for(int i = 0; i < lg && initial.first == -1; i++){ for(int j = i + 1; j < lg && initial.first == -1; j++){ for(int q = 0; q < lg; q++) s[possible[q]] = '0'; s[possible[i]] = '1'; s[possible[j]] = '1'; bool rep = check_element(s); if(rep){ initial = {i, j}; } } } for(int i = 2; i < lg; i++){ for(int j = 0; j < lg; j++){ for(int q = 0; q < lg; q++) s[possible[q]] = '0'; for(int q = i - 1; q >= 2; q--) s[ind[q]] = '1'; s[initial.first] = '1'; s[initial.second] = '1'; if(s[possible[j]] == '1') continue; else if(i == lg - 1){ for(int x : possible){ if(s[x] == '0') ind[i] = x; } break; } s[possible[j]] = '1'; bool rep = check_element(s); if(rep){ ind[i] = possible[j]; break; } } } for(int q = 0; q < lg; q++) s[possible[q]] = '0'; s[initial.first] = '1'; s[ind[2]] = '1'; s[ind[3]] = '1'; bool rep = check_element(s); if(rep) {ind[0] = initial.first; ind[1] = initial.second;} else {ind[1] = initial.first; ind[0] = initial.second;} } vector<int> restore_permutation(int n, int w, int r){ int lg = 0; int curr = 1; while(curr < n){ lg++; curr *= 2; } vector<vector<bool>> v(n, vector<bool>(lg, 0)); int num = (n - lg) / 2; if((n - lg) % 2 != 0) num++; curr = 0; int d = 4; for(int k = 0; k < lg; k++){ int have = 1; for(int i = lg; i < n; i++){ if(curr == num) curr = 0; have = 1 - have; v[i][k] = have; } num = (n - lg) / d; if((n - lg) % d != 0) num++; d *= 2; } for(int i = lg; i < n; i++){ string s = ""; for(int j = 0; j < n; j++) s += '0'; s[i] = '1'; add_element(s); for(int j = 0; j < lg; j++){ if(v[i][j]) s[j] = '1'; if(v[i][j]) add_element(s); } } add_lg(n, lg); compile_set(); for(int i = 0, i < n; i++) possible.insert(i); vector<vector<bool>> reconstruct(n, vector<bool>(lg, 0)); vector<int> ind(lg); vector<int> possible; vector<bool> possible1(n, 0); for(int i = 0; i < n; i++){ string s = ""; for(int j = 0; j < n; j++) s += '0'; s[i] = '1'; bool rep = check_element(s); if(!rep) {possible.push_back(i); possible1[i] = 1;} } check_lg(n, lg, possible, ind); for(int k = 0; k < lg; k++){ for(int i = 0; i < n; i++){ if(possible1[i]) continue; string s = ""; for(int j = 0; j < n; j++) s += '0'; s[i] = '1'; for(int j = 0; j < k; j++){ if(reconstruct[i][j]) s[ind[j]] = '1'; } s[ind[k]] = '1'; bool rep = check_element(s); if(rep) reconstruct[i][k] = 1; } } vector<int> ans(n); for(int i = 0; i < n; i++){ if(possible1[i]){ for(int j = 0; j < lg; j++){ if(ind[j] == i) ans[i] = j; } }else{ for(int j = 0; j < n; j++){ if(reconstruct[i] == v[j]) ans[i] = j; } } } return ans; } /*signed main(){ /*ios_base::sync_with_stdio(0); cin.tie(0);*/ //freopen("inpt.txt", "r", stdin); //freopen("out.txt", "w", stdout); //int tt; cin >> tt; /*int tt = 1; for(int t = 1; t <= tt; t++){ //cout << "Case #"<<t << ": "; solve(); } }*/

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp:155:5: warning: "/*" within comment [-Wcomment]
  155 |     /*ios_base::sync_with_stdio(0);
      |      
messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:93:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   93 |             if(curr == num) curr = 0; have = 1 - have;
      |             ^~
messy.cpp:93:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   93 |             if(curr == num) curr = 0; have = 1 - have;
      |                                       ^~~~
messy.cpp:112:21: error: expected ';' before '<' token
  112 |     for(int i = 0, i < n; i++) possible.insert(i);
      |                     ^~
      |                     ;
messy.cpp:112:22: error: expected primary-expression before '<' token
  112 |     for(int i = 0, i < n; i++) possible.insert(i);
      |                      ^
messy.cpp:112:32: error: 'possible' was not declared in this scope
  112 |     for(int i = 0, i < n; i++) possible.insert(i);
      |                                ^~~~~~~~