제출 #598490

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
598490		MohamedFaresNebili	커다란 상품 (IOI17_prize)	C++14	컴파일 에러	0 ms	0 KiB

prize

#include <bits/stdc++.h>
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")

                using namespace std;

                using ll = long long;
                using ld = long double;
                using ii = pair<ll, ll>;
                using vi = vector<int>;

                #define ff first
                #define ss second
                #define pb push_back
                #define all(x) (x).begin(), (x).end()
                #define lb lower_bound

                const int MOD = 1e9 + 7;

                int A[200005][2];
                int curr = 0, res = -1;

                vector<int> query(int k) {
                    if(A[k][0] != -1)
                        return {A[k][0], A[k][1]};
                  	vector<int> V = ask(k);
                  	A[k][0] = V[0];
                  	A[k][1] = V[1];
                    return V;
                }
                void solve(int l, int r) {
                  	if(res != -1) return;
                  	vector<int> V = ask(r);
                  	if(V[0] + V[1] == curr && V[0] == calc)
                      return;
                  	if(l == r) {
                      calc++;
                      if(V[0] + V[1] == 0) 
                        res = l;
                      return;
                    }
                  int md = (l + r) / 2;
                  	solve(l, md); solve(md + 1, r);
                }
				void init(int N) {
                	queue<pair<int, int>> Q;
                  	Q.push({0, N - 1});
                  while(!Q.empty()) {
                    int l = Q.front().ff, r = Q.front().ss; Q.pop();
                    if(A[r][0] == -1) {
                      query(r); calc++;
                    }
                    if(calc >= 500) return;
                    curr = max(curr, A[r][0] + A[r][1]);
                    if(l == r) continue;
                    int md = (l + r) / 2;
                    Q.push({l, md}); Q.push({md + 1, r});
                  }
                }
 
                int find_best(int N) {
                    memset(A, -1, sizeof A); 
                    init(N); calc = 0;
                    solve(0, N - 1);
                    return res;
                }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'std::vector<int> query(int)':
prize.cpp:25:21: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   25 |                     if(A[k][0] != -1)
      |                     ^~
prize.cpp:27:20: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   27 |                    vector<int> V = ask(k);
      |                    ^~~~~~
prize.cpp:27:36: error: 'ask' was not declared in this scope
   27 |                    vector<int> V = ask(k);
      |                                    ^~~
prize.cpp: In function 'void solve(int, int)':
prize.cpp:34:36: error: 'ask' was not declared in this scope
   34 |                    vector<int> V = ask(r);
      |                                    ^~~
prize.cpp:35:54: error: 'calc' was not declared in this scope
   35 |                    if(V[0] + V[1] == curr && V[0] == calc)
      |                                                      ^~~~
prize.cpp:38:23: error: 'calc' was not declared in this scope
   38 |                       calc++;
      |                       ^~~~
prize.cpp: In function 'void init(int)':
prize.cpp:52:33: error: 'calc' was not declared in this scope
   52 |                       query(r); calc++;
      |                                 ^~~~
prize.cpp:54:24: error: 'calc' was not declared in this scope
   54 |                     if(calc >= 500) return;
      |                        ^~~~
prize.cpp: In function 'int find_best(int)':
prize.cpp:64:30: error: 'calc' was not declared in this scope
   64 |                     init(N); calc = 0;
      |                              ^~~~