Submission #561307

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
561307	2022-05-12T15:37:33 Z	baokhue232005	Strange Device (APIO19_strange_device)	C++14	65 / 100	453 ms	16040 KB

strange_device

/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")
*/
// lethal option

#include<bits/stdc++.h>
using namespace std;

#define all(flg) flg.begin(), flg.end()
#define int long long
#define pb push_back
#define fi first
#define se second
#define endl "\n"
#define eb emplace_back
#define ii pair<int, int>
#define PI 3.141592653589793238462643383279502884
#define ll long long
#define for1(i, ff, gg) for(int i = ff; i <= gg; ++i)
#define for2(i, ff, gg) for(int i = ff; i >= gg; --i)
const ll mod = 1e9 + 7;
const int maxN = 1000005;
const ll oo = 2e18 + 7;
int n, a[maxN];
int x, y, z, k;
ii pr[maxN];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> x >> y;
    x = (x / __gcd(x, y + 1));
    z = y * x;
    if(x < y) swap(x, y);
    if(oo / x <= y) z = oo;
    assert(z >= 0);
    set<ii> st;
    for1(i, 1, n){
        cin >> x >> y;
        pr[i].fi = x % z;
        pr[i].se = y % z;
    }
    for1(i, 1, n){
        if(pr[i].fi > pr[i].se){
            ++n;
            pr[n].se = pr[i].se;
            pr[n].fi = 0;
            pr[i].se = z - 1;
        }
    }
    int lmx = -oo;
    sort(pr + 1, pr + n + 1);
    int ans = 0;
    for1(i, 1, n){
        lmx = max(lmx, pr[i].fi - 1);
        ans += max(0ll, pr[i].se - lmx);
        lmx = max(lmx, pr[i].se);
    }
    cout << ans << endl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	4 ms	468 KB	Output is correct
3	Correct	5 ms	444 KB	Output is correct
4	Correct	0 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	468 KB	Output is correct
17	Correct	39 ms	1820 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Incorrect	212 KB	Output isn't correct
3	Halted	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	287 ms	15932 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	385 ms	15912 KB	Output is correct
3	Correct	411 ms	15932 KB	Output is correct
4	Correct	438 ms	15912 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	385 ms	15912 KB	Output is correct
3	Correct	411 ms	15932 KB	Output is correct
4	Correct	438 ms	15912 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	405 ms	16008 KB	Output is correct
7	Correct	381 ms	15924 KB	Output is correct
8	Correct	372 ms	15848 KB	Output is correct
9	Correct	453 ms	16040 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	385 ms	15912 KB	Output is correct
3	Correct	411 ms	15932 KB	Output is correct
4	Correct	438 ms	15912 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	40 ms	1864 KB	Output is correct
7	Correct	42 ms	1784 KB	Output is correct
8	Correct	52 ms	1888 KB	Output is correct
9	Correct	38 ms	1888 KB	Output is correct
10	Correct	36 ms	1804 KB	Output is correct
11	Correct	37 ms	1888 KB	Output is correct
12	Correct	36 ms	1880 KB	Output is correct
13	Correct	40 ms	1816 KB	Output is correct
14	Correct	40 ms	1864 KB	Output is correct
15	Correct	45 ms	1868 KB	Output is correct
16	Correct	48 ms	1876 KB	Output is correct
17	Correct	54 ms	1876 KB	Output is correct
18	Correct	380 ms	16012 KB	Output is correct
19	Correct	377 ms	15924 KB	Output is correct
20	Correct	437 ms	15868 KB	Output is correct
21	Correct	53 ms	1828 KB	Output is correct
22	Correct	36 ms	1836 KB	Output is correct
23	Correct	120 ms	5592 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	42 ms	1812 KB	Output is correct
3	Correct	50 ms	1776 KB	Output is correct
4	Correct	447 ms	16028 KB	Output is correct
5	Correct	64 ms	1772 KB	Output is correct
6	Correct	46 ms	1816 KB	Output is correct
7	Correct	41 ms	1884 KB	Output is correct
8	Correct	39 ms	1884 KB	Output is correct
9	Correct	37 ms	1888 KB	Output is correct
10	Correct	40 ms	1784 KB	Output is correct
11	Correct	45 ms	1868 KB	Output is correct
12	Correct	37 ms	1884 KB	Output is correct
13	Correct	39 ms	1836 KB	Output is correct
14	Correct	396 ms	15864 KB	Output is correct
15	Correct	42 ms	1888 KB	Output is correct
16	Correct	372 ms	15932 KB	Output is correct
17	Correct	392 ms	15872 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	0 ms	340 KB	Output is correct
2	Correct	4 ms	468 KB	Output is correct
3	Correct	5 ms	444 KB	Output is correct
4	Correct	0 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	468 KB	Output is correct
17	Correct	39 ms	1820 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Incorrect	0 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Submission #561307

Compilation message