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Submission #790072

# Submission time Handle Problem Language Result Execution time Memory
790072 2023-07-22T10:17:23 Z Andrey Digital Circuit (IOI22_circuit) C++17
50 / 100
 3000 ms 47192 KB 
#include "circuit.h"
#include<bits/stdc++.h>
using namespace std;

long long n,m;
vector<long long> p2(300001);
vector<long long> haha[300001];
vector<long long> st(300001);
vector<long long> wow(300001);
vector<long long> no(300001);
vector<long long> sum(800001);
vector<long long> idk(800001);
vector<long long> val(800001);
const long long MOD = 1e9+2022;

void build(long long l, long long r, long long x) {
    if(l == r) {
        sum[x] = wow[l+n];
        if(no[l]) {
            val[x] = sum[x];
        }
        else {
            val[x] = 0;
        }
        idk[x] = 0;
        return;
    }
    long long mid = (l+r)/2;
    build(l,mid,x*2+1);
    build(mid+1,r,x*2+2);
    sum[x] = (sum[x*2+1]+sum[x*2+2])%MOD;
    val[x] = (val[x*2+1]+val[x*2+2])%MOD;
}

void upd(long long l, long long r, long long ql, long long qr, long long x) {
    if(l == ql && r == qr) {
        idk[x]++;
        idk[x]%=2;
        val[x] = (sum[x]-val[x]+MOD)%MOD;
        return;
    }
    long long mid = (l+r)/2;
    if(qr <= mid) {
        upd(l,mid,ql,qr,x*2+1);
    }
    else if(ql >= mid+1) {
        upd(mid+1,r,ql,qr,x*2+2);
    }
    else {
        upd(l,mid,ql,mid,x*2+1);
        upd(mid+1,r,mid+1,qr,x*2+2);
    }
    val[x] = (val[x*2+1]+val[x*2+2])%MOD;
    if(idk[x]%2) {
        val[x] = (sum[x]-val[x]+MOD)%MOD;
    }
}

void dfs(long long a) {
    long long sb = 0;
    if(a < n) {
        sb = 1;
    }
    for(long long v: haha[a]) {
        dfs(v);
        sb+=st[v];
    }
    st[a] = sb;
}

void dude(long long a) {
    if(!haha[a].empty()) {
        wow[haha[a][0]] = wow[a]+st[haha[a][1]];
        wow[haha[a][1]] = wow[a]+st[haha[a][0]];
        dude(haha[a][0]);
        dude(haha[a][1]);
    }
}

void init(int N, int M, vector<int> p, vector<int> a) {
    n = N;
    m = M;
    p2[0] = 1;
    for(long long i = 1; i < 300000; i++) {
        p2[i] = (p2[i-1]*2)%MOD;
    }
    for(long long i = 1; i < n+m; i++) {
        haha[p[i]].push_back(i);
    }
    dfs(0);
    dude(0);
    for(int i = n; i < n+m; i++) {
        wow[i] = p2[wow[i]];
    }
    for(int i = 0; i < a.size(); i++) {
        no[i] = a[i];
    }
    build(0,m-1,0);
}

int count_ways(int l, int r) {
    upd(0,m-1,l-n,r-n,0);
    return val[0];
}

Compilation message

circuit.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>)':
circuit.cpp:95:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |     for(int i = 0; i < a.size(); i++) {
      |                    ~~^~~~~~~~~~

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35520 KB Output is correct
2 Execution timed out 3074 ms 35428 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35536 KB Output is correct
2 Correct 15 ms 35496 KB Output is correct
3 Correct 15 ms 35524 KB Output is correct
4 Correct 16 ms 35536 KB Output is correct
5 Correct 15 ms 35572 KB Output is correct
6 Correct 17 ms 35560 KB Output is correct
7 Correct 15 ms 35536 KB Output is correct
8 Correct 15 ms 35560 KB Output is correct
9 Correct 16 ms 35516 KB Output is correct
10 Correct 16 ms 35652 KB Output is correct
11 Correct 16 ms 35536 KB Output is correct
12 Correct 17 ms 35524 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35520 KB Output is correct
2 Execution timed out 3074 ms 35428 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 597 ms 37316 KB Output is correct
2 Correct 694 ms 39112 KB Output is correct
3 Correct 596 ms 39112 KB Output is correct
4 Correct 782 ms 39108 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 597 ms 37316 KB Output is correct
2 Correct 694 ms 39112 KB Output is correct
3 Correct 596 ms 39112 KB Output is correct
4 Correct 782 ms 39108 KB Output is correct
5 Correct 645 ms 37328 KB Output is correct
6 Correct 639 ms 39116 KB Output is correct
7 Correct 803 ms 39116 KB Output is correct
8 Correct 834 ms 39120 KB Output is correct
9 Correct 387 ms 35632 KB Output is correct
10 Correct 874 ms 35720 KB Output is correct
11 Correct 630 ms 35744 KB Output is correct
12 Correct 661 ms 35764 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35536 KB Output is correct
2 Correct 15 ms 35496 KB Output is correct
3 Correct 15 ms 35524 KB Output is correct
4 Correct 16 ms 35536 KB Output is correct
5 Correct 15 ms 35572 KB Output is correct
6 Correct 17 ms 35560 KB Output is correct
7 Correct 15 ms 35536 KB Output is correct
8 Correct 15 ms 35560 KB Output is correct
9 Correct 16 ms 35516 KB Output is correct
10 Correct 16 ms 35652 KB Output is correct
11 Correct 16 ms 35536 KB Output is correct
12 Correct 17 ms 35524 KB Output is correct
13 Correct 597 ms 37316 KB Output is correct
14 Correct 694 ms 39112 KB Output is correct
15 Correct 596 ms 39112 KB Output is correct
16 Correct 782 ms 39108 KB Output is correct
17 Correct 645 ms 37328 KB Output is correct
18 Correct 639 ms 39116 KB Output is correct
19 Correct 803 ms 39116 KB Output is correct
20 Correct 834 ms 39120 KB Output is correct
21 Correct 387 ms 35632 KB Output is correct
22 Correct 874 ms 35720 KB Output is correct
23 Correct 630 ms 35744 KB Output is correct
24 Correct 661 ms 35764 KB Output is correct
25 Correct 684 ms 40872 KB Output is correct
26 Correct 777 ms 40924 KB Output is correct
27 Correct 817 ms 40916 KB Output is correct
28 Correct 507 ms 40896 KB Output is correct
29 Correct 812 ms 47192 KB Output is correct
30 Correct 753 ms 47184 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35520 KB Output is correct
2 Execution timed out 3074 ms 35428 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 35520 KB Output is correct
2 Execution timed out 3074 ms 35428 KB Time limit exceeded
3 Halted 0 ms 0 KB -