oj.uz

Submission #683665

# Submission time Handle Problem Language Result Execution time Memory
683665 2023-01-19T05:11:27 Z Nursik Strange Device (APIO19_strange_device) C++17
0 / 100
 96 ms 14364 KB 
#include <stdio.h>
 
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;
 
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
#define bug cout << "bug\n";

const ll maxn = 2e5 + 5, maxm = 2e2 + 1;
const ll mod = 1e9 + 7, inf = 1e9, block = 550, hb = 126067, base = 1000050017,
         biginf = 5e18;
const ld eps = 1e-15;
using namespace std;

int n;
ll a, b;
ll l[maxn], r[maxn];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n >> a >> b;
    ll p = a * b / gcd(a, b + 1);
    vector<pair<ll, ll>> v;
    for (int i = 1; i <= n; ++i){
        cin >> l[i] >> r[i];
        ll x = l[i] % p;
        ll y = r[i] % p;
        if (x <= y){
            if (y - x + 1 >= p){
                cout << p;
                exit(0);
            }
            v.pb(mp(x, y));
        }
        else{
            v.pb(mp(x, p - 1));
            v.pb(mp(0, y));
        }
    }
    sort(v.begin(), v.end());
    ll ans = 0, nxt = -1;
    for (auto it : v){
        ll lf = it.f, rg = it.s;
        if (nxt < lf){
            ans += rg - lf + 1;
            nxt = rg;
        }
        else if (nxt <= rg){
            ans += rg - nxt;
            nxt = rg;
        }
    }
    cout << ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 7 ms 852 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 42 ms 3568 KB Output is correct
18 Incorrect 1 ms 212 KB Output isn't correct
19 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 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 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 Runtime error 58 ms 13368 KB Execution killed with signal 11
6 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 89 ms 6680 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 89 ms 6680 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 89 ms 6680 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 Correct 46 ms 3524 KB Output is correct
3 Correct 51 ms 3524 KB Output is correct
4 Incorrect 96 ms 14364 KB Output isn't correct
5 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 7 ms 852 KB Output is correct
3 Correct 5 ms 852 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 42 ms 3568 KB Output is correct
18 Incorrect 1 ms 212 KB Output isn't correct
19 Halted 0 ms 0 KB -