제출 #568777

#제출 시각아이디문제언어결과실행 시간메모리
568777birthdaycake이상한 기계 (APIO19_strange_device)C++17
0 / 100
1370 ms17716 KiB
#include<bits/stdc++.h> #define int long long #define endl '\n' #define mod 1000000007 #define boost ios_base::sync_with_stdio(false), cin.tie(NULL); using namespace std; pair<int,int>a[2000001]; signed main() { int n,A,B, ans = 0; cin >> n >> A >> B; for(int i = 0; i < n; i++){ cin >> a[i].first >> a[i].second; ans += (a[i].second - a[i].first + 1); } cout << ans; return 0; }
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