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답안 #663180

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
663180 2022-11-26T16:25:41 Z Ai7081 이상한 기계 (APIO19_strange_device) C++17
65 / 100
 459 ms 16968 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>

const ll inf = (ll)5e18 + 7;

ll n, a, b, l, r, p;
vector<pii> v;

ll gcd(ll c1, ll c2) {
    if (!c2) return c1;
    return gcd(c2, c1%c2);
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> a >> b;
    a /= gcd(a, b+1);
    p = (inf/b>a ? a*b : inf);
    while (n--) {
        cin >> l >> r, l%=p, r%=p;
        if (l>r) v.push_back({0, r}), v.push_back({l, p-1});
        else v.push_back({l, r});
    }
    sort(v.begin(), v.end());
    ll out=0, ma=-1;
    for (auto [x,y]:v) out += (ma<x ? y-x+1 : max((ll)0, y-ma)), ma=max(ma, y);
    cout << out;
    return 0;
}

/*
3 3 3
4 4
7 9
17 18
ans: 4

3 5 10
1 20
50 68
89 98
ans: 31

1 1000000000000000 1000000000000000000
100000 1000000
*/

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 4 ms 600 KB Output is correct
3 Correct 6 ms 724 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 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 0 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 600 KB Output is correct
17 Correct 40 ms 2376 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 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 277 ms 16816 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 371 ms 16804 KB Output is correct
3 Correct 369 ms 16764 KB Output is correct
4 Correct 353 ms 16756 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 371 ms 16804 KB Output is correct
3 Correct 369 ms 16764 KB Output is correct
4 Correct 353 ms 16756 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 376 ms 16888 KB Output is correct
7 Correct 370 ms 16852 KB Output is correct
8 Correct 363 ms 16828 KB Output is correct
9 Correct 394 ms 16812 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 371 ms 16804 KB Output is correct
3 Correct 369 ms 16764 KB Output is correct
4 Correct 353 ms 16756 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 44 ms 2472 KB Output is correct
7 Correct 40 ms 2508 KB Output is correct
8 Correct 38 ms 2484 KB Output is correct
9 Correct 39 ms 2472 KB Output is correct
10 Correct 36 ms 2408 KB Output is correct
11 Correct 37 ms 2512 KB Output is correct
12 Correct 35 ms 2460 KB Output is correct
13 Correct 39 ms 2480 KB Output is correct
14 Correct 39 ms 2484 KB Output is correct
15 Correct 48 ms 2472 KB Output is correct
16 Correct 40 ms 2460 KB Output is correct
17 Correct 37 ms 2412 KB Output is correct
18 Correct 394 ms 16820 KB Output is correct
19 Correct 401 ms 16816 KB Output is correct
20 Correct 459 ms 16780 KB Output is correct
21 Correct 39 ms 2512 KB Output is correct
22 Correct 37 ms 2524 KB Output is correct
23 Correct 114 ms 8632 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 40 ms 2424 KB Output is correct
3 Correct 53 ms 2456 KB Output is correct
4 Correct 451 ms 16784 KB Output is correct
5 Correct 40 ms 2512 KB Output is correct
6 Correct 39 ms 2476 KB Output is correct
7 Correct 39 ms 2452 KB Output is correct
8 Correct 40 ms 2408 KB Output is correct
9 Correct 39 ms 2416 KB Output is correct
10 Correct 39 ms 2420 KB Output is correct
11 Correct 39 ms 2484 KB Output is correct
12 Correct 34 ms 2512 KB Output is correct
13 Correct 41 ms 2540 KB Output is correct
14 Correct 412 ms 16968 KB Output is correct
15 Correct 41 ms 2512 KB Output is correct
16 Correct 377 ms 16760 KB Output is correct
17 Correct 381 ms 16860 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #8
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 4 ms 600 KB Output is correct
3 Correct 6 ms 724 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 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 0 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 600 KB Output is correct
17 Correct 40 ms 2376 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 -