Submission #781728

#	Time	Username	Problem	Language	Result	Execution time	Memory
781728		devariaota	Strange Device (APIO19_strange_device)	C++17	0 / 100	1 ms	212 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
int n, a, b;
bool comp(pii a, pii b) {
    return (a.fi < b.fi || (a.fi == b.fi && a.se < b.se));
}
signed main() {
    ioss;
    cin >> n >> a >> b;
    int tmp = ((b+1)%a == 0 ? b : a*b);
    bool vis[tmp+1] = {};
    vector<pii> idx;
    for(int i = 0; i < n; i++) {
        int l, r; cin >> l >> r;
        idx.pb({l, r});
    }

    int ans = 0;
    for(int i = 0; i < n; i++) {
        auto [l, r] = idx[i];
        for(int j = l; j <= r; j++) vis[j] = 1; 
    }
    for(int i = 0; i < tmp; i++) if(vis[i]) ans++;
    cout << ans << endl;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 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