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Submission #635818

# Submission time Handle Problem Language Result Execution time Memory
635818 2022-08-27T04:41:54 Z PoonYaPat Strange Device (APIO19_strange_device) C++14
5 / 100
 404 ms 16848 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;

ll n,A,B,mod,ans;
vector<pll> v;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>A>>B;
    A=A/__gcd(A,B+1);

    if (A>2e18/B || A>2e18/B) mod=2e18;
    else mod=A*B;

    while (n--) {
        ll l,r;
        cin>>l>>r;
        if (r-l+1>=mod) {
            cout<<mod;
            return 0;
        }
        l%=mod;
        r%=mod;

        if (l<=r) v.push_back(pll(l,r));
        else v.push_back(pll(l,mod-1)), v.push_back(pll(0,r));
    }

    sort(v.begin(),v.end());
    ll mmax=0;
    for (auto s : v) {
        mmax=max(mmax,s.first);
        ans+=max(0LL, s.second-mmax+1);
        mmax=max(mmax,s.second);
    }
    cout<<ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 4 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 404 ms 16848 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 404 ms 16848 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 404 ms 16848 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 41 ms 2460 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 4 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -