제출 #787628

#제출 시각아이디문제언어결과실행 시간메모리
787628drdilyor로봇 (IOI13_robots)C++17
0 / 100
1 ms340 KiB
#include "robots.h" #include <algorithm> #include <cassert> using namespace std; int putaway(int a, int b, int t, int x[], int y[], int w[], int s[]) { assert(b == 0); sort(w, w + t); sort(x, x + a); auto check = [&](int time)->bool { int cnt = 0; int toy = 0; for (int robot = 0; robot < a; robot++) { while (toy < t && w[robot] >= x[toy]) { toy++; cnt++; } cnt = max(cnt - time, 0); } return cnt == 0; }; int l = -1, r = t +1; while (l < r - 1) { int mid = (l + r); if (check(mid)) r = mid; else l = mid; } return r == t+1 ? -1 : r; }
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