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Submission #646039

# Submission time Handle Problem Language Result Execution time Memory
646039 2022-09-28T14:11:38 Z Tenis0206 Strange Device (APIO19_strange_device) C++11
5 / 100
 627 ms 68888 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

int n,a,b;

vector<pair<int,int>> eves;

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>a>>b;
    for(int i=1;i<=n;i++)
    {
        int l,r;
        cin>>l>>r;
        if(r - l + 1 >= a * b)
        {
            cout<<a * b<<'\n';
            return 0;
        }
        l %= a * b;
        r %= a * b;
        if(l <= r)
        {
            eves.push_back({l,1});
            eves.push_back({r+1,-1});
        }
        else
        {
            eves.push_back({0,1});
            eves.push_back({r+1,-1});
            eves.push_back({l,1});
            eves.push_back({a*b,-1});
        }
    }
    sort(eves.begin(),eves.end());
    int nr = 0;
    int rez = 0;
    int last = 0;
    for(auto it : eves)
    {
        if(nr==0 && it.second==1)
        {
            last = it.first;
        }
        nr += it.second;
        if(nr==0 && it.second==-1)
        {
            rez += it.first - last;
        }
    }
    cout<<rez<<'\n';
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 6 ms 1240 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 0 ms 324 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 331 ms 33180 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 474 ms 33236 KB Output is correct
3 Incorrect 513 ms 68888 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 474 ms 33236 KB Output is correct
3 Incorrect 513 ms 68888 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 474 ms 33236 KB Output is correct
3 Incorrect 513 ms 68888 KB Output isn't correct
4 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 Correct 53 ms 4444 KB Output is correct
3 Correct 53 ms 7236 KB Output is correct
4 Correct 627 ms 68768 KB Output is correct
5 Correct 54 ms 7308 KB Output is correct
6 Correct 51 ms 7220 KB Output is correct
7 Correct 60 ms 7260 KB Output is correct
8 Correct 78 ms 7300 KB Output is correct
9 Correct 60 ms 7196 KB Output is correct
10 Correct 54 ms 7280 KB Output is correct
11 Correct 53 ms 7304 KB Output is correct
12 Correct 47 ms 7228 KB Output is correct
13 Correct 60 ms 7260 KB Output is correct
14 Correct 590 ms 68828 KB Output is correct
15 Incorrect 57 ms 7372 KB Output isn't correct
16 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 Correct 5 ms 856 KB Output is correct
3 Correct 6 ms 1240 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -