제출 #1221064

#제출 시각아이디문제언어결과실행 시간메모리
1221064SpyrosAlivHack (APIO25_hack)C++20
25 / 100
967 ms16452 KiB
#include "hack.h" #include <bits/stdc++.h> using namespace std; #define ll long long const int MX = 1e6; int hack() { vector<ll> willAsk; for (int i = 1; i <= MX; i++) willAsk.push_back(i); ll tot = collisions(willAsk); for (int i = 1; i <= MX; i++) { ll range = MX / i - 1; ll willDo = i * range * (range + 1) / 2 + (range + 1) * (MX % i); if (willDo == tot) return i; } assert(false); }
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