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답안 #663136

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
663136 2022-11-26T16:07:18 Z Ai7081 이상한 기계 (APIO19_strange_device) C++17
65 / 100
 439 ms 16960 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>

const ll inf = 5e18+7;

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

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

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> a >> b;
    a/=gcd(a,b+1);
    p = (inf/a<b ? inf : a*b);
    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 7 ms 600 KB Output is correct
3 Correct 5 ms 600 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 1 ms 212 KB Output is correct
10 Correct 1 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 2520 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 1 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 279 ms 16824 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 397 ms 16768 KB Output is correct
3 Correct 381 ms 16868 KB Output is correct
4 Correct 361 ms 16796 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 397 ms 16768 KB Output is correct
3 Correct 381 ms 16868 KB Output is correct
4 Correct 361 ms 16796 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 411 ms 16960 KB Output is correct
7 Correct 419 ms 16828 KB Output is correct
8 Correct 426 ms 16812 KB Output is correct
9 Correct 433 ms 16876 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 397 ms 16768 KB Output is correct
3 Correct 381 ms 16868 KB Output is correct
4 Correct 361 ms 16796 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 42 ms 2424 KB Output is correct
7 Correct 43 ms 2404 KB Output is correct
8 Correct 38 ms 2480 KB Output is correct
9 Correct 49 ms 2448 KB Output is correct
10 Correct 40 ms 2480 KB Output is correct
11 Correct 38 ms 2512 KB Output is correct
12 Correct 38 ms 2452 KB Output is correct
13 Correct 40 ms 2516 KB Output is correct
14 Correct 38 ms 2512 KB Output is correct
15 Correct 41 ms 2404 KB Output is correct
16 Correct 50 ms 2380 KB Output is correct
17 Correct 46 ms 2484 KB Output is correct
18 Correct 413 ms 16876 KB Output is correct
19 Correct 367 ms 16804 KB Output is correct
20 Correct 438 ms 16884 KB Output is correct
21 Correct 40 ms 2504 KB Output is correct
22 Correct 35 ms 2376 KB Output is correct
23 Correct 125 ms 8656 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 49 ms 2412 KB Output is correct
3 Correct 39 ms 2456 KB Output is correct
4 Correct 439 ms 16900 KB Output is correct
5 Correct 39 ms 2508 KB Output is correct
6 Correct 40 ms 2512 KB Output is correct
7 Correct 40 ms 2512 KB Output is correct
8 Correct 40 ms 2484 KB Output is correct
9 Correct 40 ms 2436 KB Output is correct
10 Correct 46 ms 2480 KB Output is correct
11 Correct 39 ms 2512 KB Output is correct
12 Correct 34 ms 2504 KB Output is correct
13 Correct 40 ms 2500 KB Output is correct
14 Correct 434 ms 16824 KB Output is correct
15 Correct 39 ms 2524 KB Output is correct
16 Correct 377 ms 16848 KB Output is correct
17 Correct 376 ms 16812 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 7 ms 600 KB Output is correct
3 Correct 5 ms 600 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 1 ms 212 KB Output is correct
10 Correct 1 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 2520 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 -