제출 #748340

#제출 시각아이디문제언어결과실행 시간메모리
748340Sharky이상한 기계 (APIO19_strange_device)C++17
0 / 100
5057 ms524288 KiB
#include <bits/stdc++.h> using namespace std; #define int long long int32_t main() { ios::sync_with_stdio(0); cin.tie(0); int n, A, B, ans = 0; cin >> n >> A >> B; map<int, bool> mp; int mul = 3E18; if (3E18 / A >= B) mul = A * B; for (int i = 0; i < n; i++) { int l, r; cin >> l >> r; for (int j = l; j <= r; j++) mp[j % mul] = 1; } for (auto& [key, x] : mp) ans += x; cout << ans << '\n'; return 0; }
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