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Submission #544209

# Submission time Handle Problem Language Result Execution time Memory
544209 2022-04-01T11:02:07 Z Victor Strange Device (APIO19_strange_device) C++17
20 / 100
 674 ms 524288 KB 
// #pragma GCC target ("avx,avx2,fma")
// #pragma GCC optimize ("Ofast,inline") // O1 - O2 - O3 - Os - Ofast
// #pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>

using namespace std;

#define rep(i, a, b) for (int i = (a); i < (b); ++i)
#define per(i, a, b) for (int i = (b - 1); i >= (a); --i)
#define trav(a, x) for (auto &a : x)

#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define pb push_back
#define debug(x) cout<<#x<<" = "<<x<<endl

#define umap unordered_map
#define uset unordered_set

typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;

typedef long long ll;
typedef pair<ll,ll> pll;
typedef vector<ll> vll;
typedef vector<pll> vpll;

const int INF = 1'000'000'007;

struct Node {
    ll sum=0,lo,hi,mset=INF;
    Node *l=0,*r=0;

    Node(ll L,ll R) : lo(L),hi(R) {}

    void set(ll L,ll R,ll x) {
        if(hi<=L||R<=lo) return;

        if(L<=lo&&hi<=R) {
            mset=x;
            sum=(hi-lo)*mset;

        } else {
            push();
            l->set(L,R,x),r->set(L,R,x);
            sum=l->sum+r->sum;
        }
    }

    void push() {
        if(!l) {
            ll mid=(lo+hi)/2;
            l=new Node(lo,mid);
            r=new Node(mid,hi);
        }

        if(mset!=INF) {
            l->set(lo,hi,mset),r->set(lo,hi,mset);
            mset=INF;
        }
    }
};

int n;
ll A,B,len;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);

    cin>>n>>A>>B;
    ll x=A/__gcd(A,B+1);
    if(log10(x)+log10(B)>18) len=ll(1e18);
    else len=B*x;

    //debug(len);
    Node segtree(0,len);
    while(n--) {
        ll lo,hi;
        cin>>lo>>hi;
        ++hi;

        if(hi-lo>=len) segtree.set(0,len,1);
        else {
            ll start=lo%len,take=min(hi-lo,(len-start)%len);

            //cout<<"start = "<<start<<" stop = "<<start+take<<endl;

            segtree.set(start,start+take,1);

            start=0;
            take=(hi-lo)-take;

            //cout<<"start = "<<start<<" stop = "<<start+take<<endl;

            segtree.set(start,start+take,1);
        }
        //cout<<endl;
    }

    cout<<segtree.sum<<endl;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 10 ms 5844 KB Output is correct
3 Correct 11 ms 6916 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 9 ms 5324 KB Output is correct
17 Correct 59 ms 17128 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 260 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 1872 KB Output is correct
3 Correct 3 ms 1736 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 374 ms 8880 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 567 ms 162740 KB Output is correct
3 Runtime error 674 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 567 ms 162740 KB Output is correct
3 Runtime error 674 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 567 ms 162740 KB Output is correct
3 Runtime error 674 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 132 ms 88312 KB Output is correct
3 Correct 280 ms 200988 KB Output is correct
4 Runtime error 588 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 10 ms 5844 KB Output is correct
3 Correct 11 ms 6916 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 9 ms 5324 KB Output is correct
17 Correct 59 ms 17128 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 260 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 3 ms 1872 KB Output is correct
26 Correct 3 ms 1736 KB Output is correct
27 Correct 2 ms 1748 KB Output is correct
28 Correct 374 ms 8880 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 567 ms 162740 KB Output is correct
31 Runtime error 674 ms 524288 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -