Submission #683669

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
683669	2023-01-19T05:14:39 Z	Nursik	Strange Device (APIO19_strange_device)	C++17	65 / 100	541 ms	69068 KB

strange_device

#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 = 1e6 + 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){
            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
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	5 ms	900 KB	Output is correct
3	Correct	5 ms	856 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 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	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	980 KB	Output is correct
17	Correct	46 ms	3812 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
0 / 5.0

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

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	2 ms	340 KB	Output is correct
3	Correct	2 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	390 ms	52208 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	430 ms	32308 KB	Output is correct
3	Correct	490 ms	68936 KB	Output is correct
4	Correct	465 ms	68852 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	430 ms	32308 KB	Output is correct
3	Correct	490 ms	68936 KB	Output is correct
4	Correct	465 ms	68852 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	443 ms	68968 KB	Output is correct
7	Correct	531 ms	68904 KB	Output is correct
8	Correct	475 ms	68888 KB	Output is correct
9	Correct	484 ms	68864 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	430 ms	32308 KB	Output is correct
3	Correct	490 ms	68936 KB	Output is correct
4	Correct	465 ms	68852 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	46 ms	7228 KB	Output is correct
7	Correct	44 ms	7228 KB	Output is correct
8	Correct	40 ms	7296 KB	Output is correct
9	Correct	48 ms	7248 KB	Output is correct
10	Correct	43 ms	7200 KB	Output is correct
11	Correct	53 ms	7200 KB	Output is correct
12	Correct	53 ms	7280 KB	Output is correct
13	Correct	44 ms	7232 KB	Output is correct
14	Correct	45 ms	7212 KB	Output is correct
15	Correct	44 ms	7272 KB	Output is correct
16	Correct	56 ms	7236 KB	Output is correct
17	Correct	43 ms	7260 KB	Output is correct
18	Correct	466 ms	68796 KB	Output is correct
19	Correct	482 ms	68852 KB	Output is correct
20	Correct	541 ms	68792 KB	Output is correct
21	Correct	46 ms	7220 KB	Output is correct
22	Correct	55 ms	7280 KB	Output is correct
23	Correct	128 ms	23704 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	45 ms	7184 KB	Output is correct
3	Correct	44 ms	7188 KB	Output is correct
4	Correct	513 ms	64484 KB	Output is correct
5	Correct	43 ms	7220 KB	Output is correct
6	Correct	48 ms	7200 KB	Output is correct
7	Correct	44 ms	7216 KB	Output is correct
8	Correct	44 ms	7300 KB	Output is correct
9	Correct	42 ms	7316 KB	Output is correct
10	Correct	55 ms	7276 KB	Output is correct
11	Correct	45 ms	7252 KB	Output is correct
12	Correct	41 ms	7224 KB	Output is correct
13	Correct	48 ms	7224 KB	Output is correct
14	Correct	481 ms	68912 KB	Output is correct
15	Correct	50 ms	7208 KB	Output is correct
16	Correct	399 ms	69068 KB	Output is correct
17	Correct	401 ms	68800 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #8
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	5 ms	900 KB	Output is correct
3	Correct	5 ms	856 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 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	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	980 KB	Output is correct
17	Correct	46 ms	3812 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Incorrect	0 ms	340 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Submission #683669

Compilation message