Submission #42394

#	Time	Username	Problem	Language	Result	Execution time	Memory
42394		wasyl	Igra (COCI17_igra)	C++11	100 / 100	30 ms	728 KiB

igra

#include <bits/stdc++.h>
#ifndef dbg
#define dbg(...)
#endif
#define all(x) begin(x), end(x)
#define rsz(...) resize(__VA_ARGS__)
#define psh(...) push_back(__VA_ARGS__)
#define emp(...) emplace_back(__VA_ARGS__)
#define prt(...) print(cout, __VA_ARGS__)
#define dmp(...) print(cerr, #__VA_ARGS__, '=', __VA_ARGS__)
#define dprt(...) dbg(print(cerr,__VA_ARGS__))
#define ddmp(...) dbg(dmp(__VA_ARGS__))
using namespace std;using ll=long long;
template<typename t>using V=vector<t>;
template<typename t>void print(ostream& os, const t& a){os<<a<<'\n';}
template<typename t, typename... A>void print
(ostream& os, const t& a, A&&... b){os<<a<<' ';print(os, b...);}

string sl, ls;

inline bool foo (const V< int >& tb, const V< int >& z)
{
dbg(
    prt("asdj");
    for (int i : tb)
        cout << i << ' ';
    cout << '\n';
    for (int i : z)
        cout << i << ' ';
    cout << '\n';
);
    for (int i = 0; i <= min(tb[0], z[1]); ++i)
    {
        V< int > tb2 = tb;
        V< int > z2 = z;

        tb2[0] -= i;
        z2[1] -= i;
        z2[2] -= tb2[0];
        if (z2[2] < 0) continue;
        tb2[0] = 0;
        
        tb2[1] -= z2[2];
        tb2[2] -= z2[1];
        if (tb2[1] < 0 or tb2[2] < 0)
            continue;
        z2[2] = z2[1] = 0;
        
        z2[0] -= tb2[1];
        if (z2[0] < 0)
            continue;
        z2[0] -= tb2[2];
        if (z2[0] < 0)
            continue;
        tb2[1] = tb2[2] = 0;

        return true;
    }
    return false;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n; cin >> n;
    cin >> ls >> sl;
    V< int > tb(3);
    for (char c : sl)
        ++tb[c - 'a'];
    V< int > z(3);
    for (char c : ls)
        ++z[c - 'a'];
    
    string res;
    for (int i = 0; i < sl.size(); ++i)
    {
        int v = sl[i] - 'a';
        --tb[v];
        for (int i = 0; i < 3; ++i)
            if (v != i and z[i])
            {
                --z[i];
                if (foo(tb, z))
                {
                    dprt("fd");
                    res += (char)(i + 'a');
                    break;
                }
                ++z[i];
            }
    }
    prt(res);
}

Compilation message (stderr)

igra.cpp: In function 'int main()':
igra.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < sl.size(); ++i)
                       ^

• Subtask 1: 100 / 100