oj.uz

Submission #371080

# Submission time Handle Problem Language Result Execution time Memory
371080 2021-02-25T18:14:40 Z Atill83 Poklon (COCI17_poklon7) C++14
0 / 120
 160 ms 262148 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 1e7+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
int l[MAXN], r[MAXN];
int Gidx = 0;
string idx[MAXN];
int len[MAXN];
vector<int> hsh[MAXN];
int do_it(int v){
    if(v < 0){
        int cur = -v, pow = 1;
        while(cur){
            idx[Gidx] += (char)('0' + cur % 2);
            hsh[Gidx].push_back(((hsh[Gidx].empty() ? 0 : hsh[Gidx].back()) + pow * (cur % 2) % mod) % mod);
            pow = pow * 2 % mod;
            cur /= 2;
        }
        reverse(idx[Gidx].begin(), idx[Gidx].end()); 
        reverse(hsh[Gidx].begin(), hsh[Gidx].end());
        len[Gidx] = idx[Gidx].length();
        return Gidx++;
    }

    int left = do_it(l[v]), right = do_it(r[v]);
    int winner = -1;
    if(len[left] != len[right]){
        winner = (len[left] > len[right] ? left : right);
    }else{
        if(idx[left].size() != idx[right].size()){
            return (idx[left].size() > idx[right].size() ? left : right);
        }

        int yer;
        for(yer = 0; yer < idx[left].size(); yer++){
            if(idx[left][yer] != idx[right][yer])
                break;
        }
        if(yer == idx[left].size() || idx[left][yer] == '1')
            winner = left;
        else
            winner = right;
    }
    len[winner]++;
    return winner; 
}



int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;

    for(int i = 1; i <= n; i++)
        cin>>l[i]>>r[i];
    int ans = do_it(1);
    string & cev = idx[ans];

    while(cev.size() != len[ans])
        cev += '0';
    cerr<<ans<<endl;
    cout<<cev<<endl;



    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

Compilation message

poklon.cpp: In function 'int do_it(int)':
poklon.cpp:45:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         for(yer = 0; yer < idx[left].size(); yer++){
      |                      ~~~~^~~~~~~~~~~~~~~~~~
poklon.cpp:49:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         if(yer == idx[left].size() || idx[left][yer] == '1')
      |            ~~~~^~~~~~~~~~~~~~~~~~~
poklon.cpp: In function 'int main()':
poklon.cpp:76:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   76 |     while(cev.size() != len[ans])
      |           ~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
0 / 120.0

# Verdict Execution time Memory Grader output
1 Runtime error 147 ms 262148 KB Execution killed with signal 9
2 Runtime error 144 ms 262148 KB Execution killed with signal 9
3 Runtime error 143 ms 262148 KB Execution killed with signal 9
4 Runtime error 144 ms 262148 KB Execution killed with signal 9
5 Runtime error 148 ms 262148 KB Execution killed with signal 9
6 Runtime error 160 ms 262148 KB Execution killed with signal 9
7 Runtime error 146 ms 262148 KB Execution killed with signal 9
8 Runtime error 142 ms 262148 KB Execution killed with signal 9
9 Runtime error 145 ms 262148 KB Execution killed with signal 9
10 Runtime error 140 ms 262144 KB Execution killed with signal 9
11 Runtime error 143 ms 262148 KB Execution killed with signal 9
12 Runtime error 146 ms 262148 KB Execution killed with signal 9
13 Runtime error 142 ms 262148 KB Execution killed with signal 9
14 Runtime error 143 ms 262148 KB Execution killed with signal 9
15 Runtime error 142 ms 262148 KB Execution killed with signal 9
16 Runtime error 145 ms 262148 KB Execution killed with signal 9
17 Runtime error 138 ms 262144 KB Execution killed with signal 9
18 Runtime error 141 ms 262148 KB Execution killed with signal 9
19 Runtime error 143 ms 262148 KB Execution killed with signal 9
20 Runtime error 138 ms 262144 KB Execution killed with signal 9