Submission #926590

#	Time	Username	Problem	Language	Result	Execution time	Memory
926590		TAhmed33	Strange Device (APIO19_strange_device)	C++98	5 / 100	935 ms	34644 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef __int128 ll2;
int main () {
    ll n, a, b; cin >> n >> a >> b;
    vector <pair <ll, ll>> arr(n); for (auto &[x, y] : arr) cin >> x >> y;
    ll2 u = a; u *= b; u /= __gcd(a, b + 1);
    if (n == 1) {
        ll2 x = arr[0].first, y = arr[0].second;
        ll2 t = y - x + 1; if (t > u) t = u;
        cout << (long long)t << '\n';
    }
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:7:47: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
    7 |     vector <pair <ll, ll>> arr(n); for (auto &[x, y] : arr) cin >> x >> y;
      |                                               ^

• Subtask 1: 0 / 10
• Subtask 2: 5 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30