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답안 #663121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
663121 2022-11-26T15:56:43 Z Ai7081 이상한 기계 (APIO19_strange_device) C++17
65 / 100
 434 ms 16944 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>

const ll inf = 5e18;

ll n, a, b, l, r, loop;
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);
    loop = (inf/a<=b ? inf : a*b);
    while (n--) {
        cin >> l >> r, l%=loop, r%=loop;
        if (l>r) v.push_back({0,r}), v.push_back({l,loop-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 628 KB Output is correct
3 Correct 4 ms 612 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 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 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 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 47 ms 2512 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 276 ms 16784 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 406 ms 16832 KB Output is correct
3 Correct 366 ms 16816 KB Output is correct
4 Correct 354 ms 16800 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 406 ms 16832 KB Output is correct
3 Correct 366 ms 16816 KB Output is correct
4 Correct 354 ms 16800 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 362 ms 16776 KB Output is correct
7 Correct 385 ms 16804 KB Output is correct
8 Correct 380 ms 16796 KB Output is correct
9 Correct 401 ms 16944 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 406 ms 16832 KB Output is correct
3 Correct 366 ms 16816 KB Output is correct
4 Correct 354 ms 16800 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 46 ms 2500 KB Output is correct
7 Correct 50 ms 2404 KB Output is correct
8 Correct 47 ms 2428 KB Output is correct
9 Correct 36 ms 2376 KB Output is correct
10 Correct 37 ms 2428 KB Output is correct
11 Correct 39 ms 2512 KB Output is correct
12 Correct 37 ms 2468 KB Output is correct
13 Correct 38 ms 2452 KB Output is correct
14 Correct 37 ms 2404 KB Output is correct
15 Correct 39 ms 2416 KB Output is correct
16 Correct 39 ms 2512 KB Output is correct
17 Correct 39 ms 2428 KB Output is correct
18 Correct 389 ms 16848 KB Output is correct
19 Correct 363 ms 16812 KB Output is correct
20 Correct 418 ms 16884 KB Output is correct
21 Correct 39 ms 2512 KB Output is correct
22 Correct 35 ms 2512 KB Output is correct
23 Correct 115 ms 8604 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 46 ms 2508 KB Output is correct
3 Correct 40 ms 2520 KB Output is correct
4 Correct 434 ms 16812 KB Output is correct
5 Correct 39 ms 2512 KB Output is correct
6 Correct 39 ms 2424 KB Output is correct
7 Correct 43 ms 2520 KB Output is correct
8 Correct 46 ms 2500 KB Output is correct
9 Correct 38 ms 2416 KB Output is correct
10 Correct 40 ms 2508 KB Output is correct
11 Correct 43 ms 2404 KB Output is correct
12 Correct 34 ms 2376 KB Output is correct
13 Correct 38 ms 2492 KB Output is correct
14 Correct 421 ms 16812 KB Output is correct
15 Correct 39 ms 2512 KB Output is correct
16 Correct 361 ms 16800 KB Output is correct
17 Correct 420 ms 16924 KB Output is correct
18 Correct 1 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 628 KB Output is correct
3 Correct 4 ms 612 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 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 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 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 47 ms 2512 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 -