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Submission #525133

# Submission time Handle Problem Language Result Execution time Memory
525133 2022-02-10T20:07:45 Z perchuts Poklon (COCI17_poklon7) C++17
48 / 120
 208 ms 47196 KB 
#include <bits/stdc++.h>
#define maxn (int)(1e5+51)
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define ll long long
#define pb push_back
#define ull unsigned long long
#define ii pair<int,int>
#define iii tuple<int,int,int>
#define inf 2000000001
#define mod 1000000007 //998244353
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

using namespace std;

template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }
struct node{
    ll l, r;
}nd;
vector<node>g;

ll dfs(int x){
    int changel=0,changer=0;
    if(g[x].l>0)g[x].l = dfs(g[x].l),changel++;
    else g[x].l*=-1LL;
    if(g[x].r>0)g[x].r = dfs(g[x].r),changer++;
    else g[x].r*=-1LL;
    ll dif = abs(g[x].l - g[x].r);
    if((dif&1)&&changel+changer){
        if(changel){
            if(g[x].l>g[x].r)return g[x].l + g[x].r + dif;
            else return g[x].l + g[x].r + dif + 2LL;
        }else{
            if(g[x].r>g[x].l)return g[x].l + g[x].r + dif;
            else return g[x].l + g[x].r + dif + 2LL;
        }
    }
    return g[x].r + g[x].l + dif;
}

int main(){_
    int n;cin>>n;
    g.resize(n+1);
    for(int i=1;i<=n;i++){
        ll l,r;cin>>g[i].l>>g[i].r;
    }    
    ll ans = dfs(1);
    vector<int>resp;
    while(ans){
        resp.pb(ans&1);
        ans>>=1;
    }
    reverse(all(resp));
    for(auto x:resp)cout<<x;
    cout<<endl;
}

Compilation message

poklon.cpp: In function 'int main()':
poklon.cpp:47:12: warning: unused variable 'l' [-Wunused-variable]
   47 |         ll l,r;cin>>g[i].l>>g[i].r;
      |            ^
poklon.cpp:47:14: warning: unused variable 'r' [-Wunused-variable]
   47 |         ll l,r;cin>>g[i].l>>g[i].r;
      |              ^

Subtask #1
48.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Incorrect 0 ms 204 KB Output isn't correct
10 Incorrect 1 ms 332 KB Output isn't correct
11 Incorrect 2 ms 588 KB Output isn't correct
12 Incorrect 3 ms 588 KB Output isn't correct
13 Incorrect 10 ms 1868 KB Output isn't correct
14 Incorrect 20 ms 3404 KB Output isn't correct
15 Incorrect 20 ms 1868 KB Output isn't correct
16 Incorrect 70 ms 9424 KB Output isn't correct
17 Incorrect 154 ms 20656 KB Output isn't correct
18 Incorrect 158 ms 22180 KB Output isn't correct
19 Incorrect 205 ms 21472 KB Output isn't correct
20 Incorrect 208 ms 47196 KB Output isn't correct