제출 #1174542

#제출 시각아이디문제언어결과실행 시간메모리
1174542Muhammet이상한 기계 (APIO19_strange_device)C++17
0 / 100
3793 ms589824 KiB
#include "bits/stdc++.h" using namespace std; #define ll long long #define SZ(s) (int)s.size() #define ff first #define ss second const int N = 3e5 + 5; const int M = 1e9 + 7; map <pair <ll, ll>, bool> mp; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); ll n, a, b; cin >> n >> a >> b; int ans = 0; for(int i = 1; i <= n; i++) { int l, r; cin >> l >> r; for(int j = l; j <= r; j++) { if(mp.find({(j + (j / b)) % a, j % b}) == mp.end()) ans++; mp[{(j + (j / b)) % a, j % b}] = true; } } cout << ans; return 0; }
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