Submission #855918

#	Time	Username	Problem	Language	Result	Execution time	Memory
855918		onepunchac168	Digital Circuit (IOI22_circuit)	C++17	100 / 100	688 ms	49168 KiB

circuit

//------------------------------------\\
//   ------------------------------   \\
//  |  created by Dinh Manh Hung   |  \\
//  |      tht.onepunchac168       |  \\
//  |     THPT CHUYEN HA TINH      |  \\
//  |      HA TINH, VIET NAM       |  \\
//  |           Siuuu              |  \\
//   ------------------------------   \\
//------------------------------------\\

#include <bits/stdc++.h>
#include "circuit.h"
using namespace std;

#define            task     ""
#define       file(name)    if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define             ldb     long double
#define              pb     push_back
#define              eb     emplace_back
#define              fi     first
#define              se     second
#define           all(x)    begin(x),end(x)
#define       uniquev(v)    v.resize(unique(all(v))-v.begin())
#define       rep(i,a,b)    for (int i=a;i<=b;i++)
#define        cntbit(v)    __builtin_popcountll(v)
#define         gcd(a,b)    __gcd(a,b)
#define         lcm(a,b)    ((1LL*a*b)/__gcd(a,b))
#define          mask(x)    (1LL<<(x))
#define     readbit(x,i)    ((x>>i)&1)
#define             Yes     cout << "Yes"
#define             YES     cout << "YES"
#define              No     cout << "No"
#define              NO     cout << "NO"

typedef long long ll;
typedef pair <ll,ll> ii;
typedef pair <ll,ii> iii;
typedef pair <ii,ii> iiii;

ll dx[]= {1,-1,0,0,1,-1,1,-1};
ll dy[]= {0,0,-1,1,1,-1,-1,1};

const ldb PI = acos (-1);
//const ll mod=978846151;
//const ll base=29;
const ll mod=1000002022;
const char nl = '\n';

inline int ReadInt()
{
    char co;
    for (co = getchar(); co < '0' || co > '9'; co = getchar());
    int xo = co - '0';
    for (co = getchar(); co >= '0' && co <= '9'; co = getchar())
        xo = (xo<<1) + (xo<<3) + co - '0';
    return xo;
}

void WriteInt(int xo)
{
    if (xo > 9)
        WriteInt(xo / 10);
    putchar(xo % 10 + '0');
}

// DEBUG
/*
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}


#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
*/

/* END OF TEMPLATE*/

// ================= Solution =================//

/*
void onepunchac168();

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    file(task);
    int tests;
    tests=1;
    //cin>>tests;
    while (tests--)
    {
        onepunchac168();
    }
}

void onepunchac168()
{

}
*/
const int Na=1e5+5;
int n,m,q;
int p[Na*2];
int a[Na];
vector <int> vt[Na*2];
ll dp[2*Na];
void dfs(int u)
{
    dp[u]=1;
    if (vt[u].empty())
    {
        return;
    }
    for (auto v:vt[u])
    {
        dfs(v);
        dp[u]=(dp[u]*dp[v])%mod;
    }
    dp[u]=(dp[u]*ll((vt[u]).size()))%mod;
}
ll dpa[Na];
ll T[Na*8];
ll sum[Na*8];
ll lazy[Na*8];
void dfsa(int u,ll val)
{
    if (u>n)
    {
        dpa[u-n]=val;
        return;
    }
    vector <ll> pref(int(vt[u].size())+2),suff(int(vt[u].size())+2);
    pref[0]=1;
    suff[int(vt[u].size())+1]=1;
    for (int i=1;i<=int(vt[u].size());i++)
    {
        pref[i]=(pref[i-1]*dp[vt[u][i-1]])%mod;
    }
    for (int i=int(vt[u].size());i>=1;i--)
    {
        suff[i]=(suff[i+1]*dp[vt[u][i-1]])%mod;
    }
    for (int i=1;i<=int(vt[u].size());i++)
    {
        ll cost=val;
        cost=(cost*pref[i-1])%mod;
        cost=(cost*suff[i+1])%mod;
        dfsa(vt[u][i-1],cost);
    }
}
bool check[Na];
void build(int node,int l,int r)
{
    lazy[node]=0;
    if (l==r)
    {
        sum[node]=dpa[l];
        if (check[l]==1)
        {
            T[node]=dpa[l];
        }
        return;
    }
    build(node*2,l,(l+r)/2);
    build(node*2+1,(l+r)/2+1,r);
    T[node]=T[node*2]+T[node*2+1];
    sum[node]=sum[node*2]+sum[node*2+1];
}
void updatelazy(int node)
{
    if (lazy[node]==1)
    {
        lazy[node*2]^=1;
        lazy[node*2+1]^=1;
        lazy[node]=0;
        T[node]=sum[node]-T[node];
    }
}
void update(int node,int l,int r,int u,int v)
{
    updatelazy(node);
    if (l>v||r<u)
    {
        return;
    }
    if (l>=u&&r<=v)
    {
        lazy[node]^=1;
        updatelazy(node);
        return;
    }
    update(node*2,l,(l+r)/2,u,v);
    update(node*2+1,(l+r)/2+1,r,u,v);
    T[node]=T[node*2]+T[node*2+1];
}
void init(int N, int M, std::vector<int> P, std::vector<int> A)
{
    n=N;
    m=M;
    for (int i=0;i<P.size();i++)
    {
        p[i+1]=P[i]+1;
    }
    for (int i=0;i<A.size();i++)
    {
        a[i+1]=A[i];
    }
    for (int i=1;i<=m;i++)
    {
        check[i]=a[i];
    }
    for (int i=1;i<=n+m;i++)
    {
        if (p[i]==0)
        {
            continue;
        }
        vt[p[i]].pb(i);
    }
    dfs(1);
    dfsa(1,1);
    build(1,1,m);
}

int count_ways(int L, int R)
{
    L++;
    R++;
    L-=n;
    R-=n;
    update(1,1,m,L,R);
    return T[1]%mod;
}

// goodbye see ya

Compilation message (stderr)

circuit.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //------------------------------------\\
      | ^
circuit.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>)':
circuit.cpp:223:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  223 |     for (int i=0;i<P.size();i++)
      |                  ~^~~~~~~~~
circuit.cpp:227:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  227 |     for (int i=0;i<A.size();i++)
      |                  ~^~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 4 / 4
• Subtask 5: 12 / 12
• Subtask 6: 27 / 27
• Subtask 7: 28 / 28
• Subtask 8: 11 / 11