제출 #793401

#제출 시각아이디문제언어결과실행 시간메모리
793401SlavicGPainting Squares (IOI20_squares)C++17
100 / 100
855 ms756 KiB
#include "squares.h" #include <vector> #include <bits/stdc++.h> using namespace std; const int N = 1000; const int K = 10; int a[N]; vector<int> generate(int n) { unordered_set<int> nums; vector<int> v(n); nums.insert((1 << K) - 1); for(int i = 0; i < N; ++i) a[i] = 0; for(int i = 0; i < K; ++i) a[i] = 1; int cur = (1 << K) - 1; for(int i = 1; i + K - 1 < N; ++i) { cur >>= 1; if(nums.find(cur) != nums.end()) { a[i + K - 1] = 1; cur += (1 << (K - 1)); } nums.insert(cur); } for(int i = 0; i < n; ++i) v[i] = a[i]; return v; } std::vector<int> paint(int n) { vector<int> labels = generate(n); labels.push_back(10); return labels; } int find_location(int n, std::vector<int> c) { vector<int> paiu = generate(n); int number = 0; for(int i = 0; i < (int)c.size(); ++i) { if(c[i] == -1) { return n - i; } if(c[i] == 1) number += (1 << i); } for(int i = 0; i + K - 1 < n; ++i) { int number2 = 0; for(int j = 0; j < K; ++j) { if(paiu[i + j]) number2 += (1 << j); } if(number == number2) return i; } assert(false); return -1; }
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