답안 #481892

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
481892 2021-10-22T07:27:12 Z radal 이상한 기계 (APIO19_strange_device) C++14
100 / 100
1157 ms 100228 KB
#include <bits/stdc++.h>
#pragma GCC target ("avx,avx2,fma")
#pragma GCC optimize ("O2")
#pragma GCC optimize ("unroll-loops")
#define X first
#define Y second
#define debug(x) cerr << #x << ": " << x << endl;
#define endl '\n'
#define pb push_back
#define rep(i,l,r) for (int i=l; i<r; i++)
#define repr(i,r,l) for (int i=r; i>=l; i--)
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const long long int N=5e2+20,mod = 1e9+7,inf=1e18;
inline int mkay(int a,int b){
    if (a+b >= mod) return a+b-mod;
    return a+b;
}
ll gcd(ll a,ll b){
    if (!b) return a;
    if (b < a) swap(a,b);
    return gcd(a,b%a);
}
int main(){
    ios :: sync_with_stdio(0); cin.tie(0);
    int n;
    ll a,b,z;
    cin >> n >> a >> b;
    a /= gcd(a,b+1);
    debug(gcd(4,6));
    if (b >= (inf+a-1)/a) z = inf+1;
    else z = a*b;
    set<pll> st;
    rep(i,0,n){
        ll l,r;
        cin >> l >> r;
        if (r-l+1 >= z){
            cout << z;
            return 0;
        }
        if (r%z < l%z){
            auto it = st.upper_bound({l%z,0});
            while(it != st.end()){
                st.erase(it);
                it = st.upper_bound({l%z,0});
            }
            st.insert({l%z,z});
            st.insert({0,r%z+1});
        }
        else{
            st.insert({l%z,r%z+1});
        }
    }
    pll p = {1,-1};
    ll ans = 0;
    for(pll q : st){
        if (q.X >= p.X && q.Y <= p.Y)
            continue;
        if (q.X <= p.Y){
            ans += q.Y-p.Y;
            p.Y = q.Y;
            continue;
        }
        p = q;
        ans += p.Y-p.X;
    }
    cout << ans;
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 143 ms 1228 KB Output is correct
3 Correct 10 ms 1220 KB Output is correct
4 Correct 3 ms 312 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 3 ms 312 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 3 ms 204 KB Output is correct
14 Correct 3 ms 204 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 10 ms 1200 KB Output is correct
17 Correct 83 ms 10280 KB Output is correct
18 Correct 2 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 204 KB Output is correct
2 Correct 3 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 316 KB Output is correct
2 Correct 13 ms 324 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 309 ms 25508 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 732 ms 100112 KB Output is correct
3 Correct 737 ms 100000 KB Output is correct
4 Correct 774 ms 100120 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 732 ms 100112 KB Output is correct
3 Correct 737 ms 100000 KB Output is correct
4 Correct 774 ms 100120 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 726 ms 100028 KB Output is correct
7 Correct 687 ms 100112 KB Output is correct
8 Correct 678 ms 100096 KB Output is correct
9 Correct 739 ms 100072 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 732 ms 100112 KB Output is correct
3 Correct 737 ms 100000 KB Output is correct
4 Correct 774 ms 100120 KB Output is correct
5 Correct 2 ms 204 KB Output is correct
6 Correct 59 ms 10228 KB Output is correct
7 Correct 63 ms 10160 KB Output is correct
8 Correct 84 ms 10308 KB Output is correct
9 Correct 67 ms 10224 KB Output is correct
10 Correct 57 ms 10192 KB Output is correct
11 Correct 63 ms 10156 KB Output is correct
12 Correct 78 ms 10276 KB Output is correct
13 Correct 74 ms 10432 KB Output is correct
14 Correct 86 ms 10224 KB Output is correct
15 Correct 68 ms 10192 KB Output is correct
16 Correct 65 ms 10180 KB Output is correct
17 Correct 63 ms 10312 KB Output is correct
18 Correct 691 ms 100120 KB Output is correct
19 Correct 702 ms 100068 KB Output is correct
20 Correct 1157 ms 100036 KB Output is correct
21 Correct 67 ms 10180 KB Output is correct
22 Correct 61 ms 10292 KB Output is correct
23 Correct 123 ms 12844 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 72 ms 10204 KB Output is correct
3 Correct 66 ms 10276 KB Output is correct
4 Correct 761 ms 100080 KB Output is correct
5 Correct 64 ms 10180 KB Output is correct
6 Correct 71 ms 10360 KB Output is correct
7 Correct 79 ms 10220 KB Output is correct
8 Correct 74 ms 10160 KB Output is correct
9 Correct 72 ms 10160 KB Output is correct
10 Correct 68 ms 10252 KB Output is correct
11 Correct 61 ms 10204 KB Output is correct
12 Correct 68 ms 10320 KB Output is correct
13 Correct 70 ms 10180 KB Output is correct
14 Correct 731 ms 100084 KB Output is correct
15 Correct 76 ms 10308 KB Output is correct
16 Correct 703 ms 100228 KB Output is correct
17 Correct 693 ms 100108 KB Output is correct
18 Correct 2 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 143 ms 1228 KB Output is correct
3 Correct 10 ms 1220 KB Output is correct
4 Correct 3 ms 312 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 3 ms 312 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 3 ms 204 KB Output is correct
14 Correct 3 ms 204 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 10 ms 1200 KB Output is correct
17 Correct 83 ms 10280 KB Output is correct
18 Correct 2 ms 204 KB Output is correct
19 Correct 2 ms 204 KB Output is correct
20 Correct 3 ms 204 KB Output is correct
21 Correct 1 ms 316 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 2 ms 316 KB Output is correct
25 Correct 13 ms 324 KB Output is correct
26 Correct 3 ms 332 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 309 ms 25508 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 732 ms 100112 KB Output is correct
31 Correct 737 ms 100000 KB Output is correct
32 Correct 774 ms 100120 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 726 ms 100028 KB Output is correct
35 Correct 687 ms 100112 KB Output is correct
36 Correct 678 ms 100096 KB Output is correct
37 Correct 739 ms 100072 KB Output is correct
38 Correct 2 ms 204 KB Output is correct
39 Correct 59 ms 10228 KB Output is correct
40 Correct 63 ms 10160 KB Output is correct
41 Correct 84 ms 10308 KB Output is correct
42 Correct 67 ms 10224 KB Output is correct
43 Correct 57 ms 10192 KB Output is correct
44 Correct 63 ms 10156 KB Output is correct
45 Correct 78 ms 10276 KB Output is correct
46 Correct 74 ms 10432 KB Output is correct
47 Correct 86 ms 10224 KB Output is correct
48 Correct 68 ms 10192 KB Output is correct
49 Correct 65 ms 10180 KB Output is correct
50 Correct 63 ms 10312 KB Output is correct
51 Correct 691 ms 100120 KB Output is correct
52 Correct 702 ms 100068 KB Output is correct
53 Correct 1157 ms 100036 KB Output is correct
54 Correct 67 ms 10180 KB Output is correct
55 Correct 61 ms 10292 KB Output is correct
56 Correct 123 ms 12844 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 72 ms 10204 KB Output is correct
59 Correct 66 ms 10276 KB Output is correct
60 Correct 761 ms 100080 KB Output is correct
61 Correct 64 ms 10180 KB Output is correct
62 Correct 71 ms 10360 KB Output is correct
63 Correct 79 ms 10220 KB Output is correct
64 Correct 74 ms 10160 KB Output is correct
65 Correct 72 ms 10160 KB Output is correct
66 Correct 68 ms 10252 KB Output is correct
67 Correct 61 ms 10204 KB Output is correct
68 Correct 68 ms 10320 KB Output is correct
69 Correct 70 ms 10180 KB Output is correct
70 Correct 731 ms 100084 KB Output is correct
71 Correct 76 ms 10308 KB Output is correct
72 Correct 703 ms 100228 KB Output is correct
73 Correct 693 ms 100108 KB Output is correct
74 Correct 2 ms 204 KB Output is correct
75 Correct 2 ms 308 KB Output is correct
76 Correct 1 ms 204 KB Output is correct
77 Correct 2 ms 204 KB Output is correct
78 Correct 1 ms 204 KB Output is correct
79 Correct 7 ms 1228 KB Output is correct
80 Correct 706 ms 99960 KB Output is correct
81 Correct 756 ms 99960 KB Output is correct
82 Correct 752 ms 99984 KB Output is correct
83 Correct 727 ms 99660 KB Output is correct
84 Correct 880 ms 99300 KB Output is correct
85 Correct 805 ms 99308 KB Output is correct
86 Correct 147 ms 12772 KB Output is correct
87 Correct 2 ms 204 KB Output is correct