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Submission #139531

# Submission time Handle Problem Language Result Execution time Memory
139531 2019-08-01T00:36:41 Z jovan_b Strange Device (APIO19_strange_device) C++17
0 / 100
 2 ms 376 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

vector <pair <ll, ll>> vec;

int main(){
    ios_base::sync_with_stdio(false);
    cout.precision(10);
    cout<<fixed;

    int n;
    cin >> n;
    ll a, b;
    cin >> a >> b;
    a /= __gcd(a, b+1);
    if(a <= 2000000000000000000LL/b) a *= b;
    cout << a << endl;
    while(n--){
        ll l, r;
        cin >> l >> r;
        if(r-l+1 >= a){
            cout << a << "\n";
            return 0;
        }
        l %= a;
        r %= a;
        if(l > r){
            vec.push_back({0, 1});
            vec.push_back({r+1, -1});
            vec.push_back({l, 1});
            vec.push_back({a, -1});
        }
        else{
            vec.push_back({l, 1});
            vec.push_back({r+1, -1});
        }
    }
    sort(vec.begin(), vec.end());
    n = vec.size();
    ll res = 0;
    ll tren = 0;
    for(int i=0; i<n; i++){
        ll val = vec[i].first;
        //cout << vec[i].first << " " << vec[i].second << endl;
        if(i > 0) val -= vec[i-1].first;
        if(tren) res += val;
        tren += vec[i].second;
        //cout << res << endl;
    }
    cout << res;
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -