Submission #812339

# Submission time Handle Problem Language Result Execution time Memory
812339 2023-08-07T08:25:57 Z BT21tata Digital Circuit (IOI22_circuit) C++17
2 / 100
360 ms 13720 KB
#include "circuit.h"
typedef long long ll;
#include <bits/stdc++.h>
using namespace std;
const ll MOD=1e9+2022;
const int N=2e5+5;
 
struct tree
{
    ll one, zero, lazy;
}t[4*N];
 
int nw[N], cnt, old[N], n, m;
ll suff[N], prv=1, a[N];
vector<int>g[N], newg[N];
 
void dfs(int v)
{
    if(!g[v].size()) return;
    old[cnt]=v;
    nw[v]=cnt++;
    for(int u : g[v])
        dfs(u);
}
 
void calc(int v, int p)
{
    if(!newg[v].size())
    {
        a[v-n]=prv*suff[p+1];
        a[v-n]%=MOD;
        return;
    }
    
    for(int u : newg[v])
        calc(u, v);
    
    prv*=newg[v].size();
    prv%=MOD;
}
 
void build(int v, int l, int r, vector<int>&state)
{
    if(l==r)
    {
        if(state[l]) t[v]={a[l], 0, 0};
        else t[v]={0, a[l], 0};
        return;
    }
    
    int mid=(l+r)>>1;
    build(v<<1, l, mid, state);
    build(v<<1|1, mid+1, r, state);
 
    t[v]={(t[v<<1].one+t[v<<1|1].one)%MOD, (t[v<<1].zero+t[v<<1|1].zero)%MOD, 0};
}
 
void push(int v, int l, int r)
{
    swap(t[v].zero, t[v].one);
    t[v].lazy=0;
    if(l!=r)
    {
        t[v<<1].lazy^=1;
        t[v<<1|1].lazy^=1;
    }
}
 
void update(int v, int l, int r, int tl, int tr)
{
    if(t[v].lazy) push(v, l, r);
    if(r<tl or tr<l) return;
    if(tl<=l and r<=tr)
    {
        t[v].lazy=1;
        push(v, l, r);
        return;
    }
 
    int mid=(l+r)>>1;
    update(v<<1, l, mid, tl, tr);
    update(v<<1|1, mid+1, r, tl, tr);
 
    t[v]={(t[v<<1].one+t[v<<1|1].one)%MOD, (t[v<<1].zero+t[v<<1|1].zero)%MOD, 0};
}
 
void init(int N, int M, vector<int> p, vector<int> state)
{
    n=N; m=M;
    for(int i=1; i<n+m; i++)
        g[p[i]].push_back(i);
 
    dfs(0);
    
    for(int i=0; i<n; i++)
        swap(newg[i], g[old[i]]);
    suff[n]=1;
    for(int i=n-1; i>=0; i--)
    {
        suff[i]=suff[i+1]*newg[i].size();
        suff[i]%=MOD;
    }
 
    calc(0, -1);
 
    build(1, 0, m-1, state);
}
 
int count_ways(int l, int r)
{
    update(1, 0, m-1, l-n, r-n);
    return t[1].one;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 4 ms 9680 KB Output is correct
3 Correct 4 ms 9680 KB Output is correct
4 Correct 5 ms 9680 KB Output is correct
5 Correct 5 ms 9680 KB Output is correct
6 Correct 5 ms 9680 KB Output is correct
7 Correct 6 ms 9680 KB Output is correct
8 Correct 4 ms 9680 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 9680 KB Output is correct
2 Incorrect 5 ms 9680 KB 1st lines differ - on the 1st token, expected: '52130940', found: '986920052'
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 4 ms 9680 KB Output is correct
3 Correct 4 ms 9680 KB Output is correct
4 Correct 5 ms 9680 KB Output is correct
5 Correct 5 ms 9680 KB Output is correct
6 Correct 5 ms 9680 KB Output is correct
7 Correct 6 ms 9680 KB Output is correct
8 Correct 4 ms 9680 KB Output is correct
9 Correct 4 ms 9680 KB Output is correct
10 Incorrect 5 ms 9680 KB 1st lines differ - on the 1st token, expected: '52130940', found: '986920052'
11 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 360 ms 13720 KB 1st lines differ - on the 1st token, expected: '431985922', found: '546909544'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 360 ms 13720 KB 1st lines differ - on the 1st token, expected: '431985922', found: '546909544'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 4 ms 9680 KB Output is correct
2 Incorrect 5 ms 9680 KB 1st lines differ - on the 1st token, expected: '52130940', found: '986920052'
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 4 ms 9680 KB Output is correct
3 Correct 4 ms 9680 KB Output is correct
4 Correct 5 ms 9680 KB Output is correct
5 Correct 5 ms 9680 KB Output is correct
6 Correct 5 ms 9680 KB Output is correct
7 Correct 6 ms 9680 KB Output is correct
8 Correct 4 ms 9680 KB Output is correct
9 Correct 4 ms 9680 KB Output is correct
10 Incorrect 5 ms 9680 KB 1st lines differ - on the 1st token, expected: '52130940', found: '986920052'
11 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 4 ms 9680 KB Output is correct
3 Correct 4 ms 9680 KB Output is correct
4 Correct 5 ms 9680 KB Output is correct
5 Correct 5 ms 9680 KB Output is correct
6 Correct 5 ms 9680 KB Output is correct
7 Correct 6 ms 9680 KB Output is correct
8 Correct 4 ms 9680 KB Output is correct
9 Correct 4 ms 9680 KB Output is correct
10 Incorrect 5 ms 9680 KB 1st lines differ - on the 1st token, expected: '52130940', found: '986920052'
11 Halted 0 ms 0 KB -