Submission #1367871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367871		hmms127	Strange Device (APIO19_strange_device)	C++20	0 / 100	157 ms	16084 KiB

strange_device

#include "bits/stdc++.h"
using namespace std;
#define f1(n) for(int i=0;i<n;i++)
#define f2(m,n,q) for(int i=m;i<n;i+=q)
#define int long long
#define pb push_back
constexpr int N=1e3+5,inf=1e18;
using pr=pair<int,int>;
using ar=array<int,3>;
signed main() {
    ios::sync_with_stdio(false);cin.tie(nullptr);
    int n,a,b;cin>>n>>a>>b;
    int l[n],r[n];f1(n)cin>>l[i]>>r[i];
    map<pr,int>mp;int mx=(a%2 ? a:a/2);
    int cnt=0;
    f1(n) {
        cnt+=(r[i]-l[i]+1);
        if (cnt>mx)break;
    }
    cout<<min(mx,cnt);
}

• 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