Submission #523248

#	Time	Username	Problem	Language	Result	Execution time	Memory
523248		levsog2004	Round words (IZhO13_rowords)	C++14	0 / 100	36 ms	32364 KiB

rowords

#include <iostream>
#include <iomanip>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;

#define ll long long int 
#define forr(n) for(ll i=0;i<n;i++) 
#define um unordered_map<int,int>  
#define vec vector<int> 
#define vecl vector<ll> 
#define pb push_back 
#define bg begin()
#define en end()


void solve() {

    string s, t;
    cin >> s >> t;
    int tt = s.size();
    for (int i = 0; i < tt; ++i)
    {
        s.push_back(s[i]);
    }
    tt = t.size();
    for (int i = 0; i < tt; ++i)
    {
        t.push_back(t[i]);
    }
    int dp[2005][2005];

    memset(dp, 0, sizeof(dp));
    for (int i = 1; i <= s.size(); i++) {
        for (int j = 1; j <= t.size(); j++) {
            if (s[i - 1] == t[j - 1])
                dp[i][j] = 1 + dp[i - 1][j - 1];
            else
                dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]);
        }
    }
    string ans;
    int i = s.size(), j = t.size();
    while (i > 0 && j > 0) {
        if (s[i - 1] == t[j - 1])
        {
            ans += s[i - 1];
            i--; j--;
        }
        else {
            if (dp[i - 1][j] > dp[i][j - 1])
                i--;
            else
                j--;
        }
    }
    reverse(ans.bg, ans.en);
    cout << ans << " ";








}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    //cin>>t;
    while (t--)
        solve();

    return 0;
}

Compilation message (stderr)

rowords.cpp: In function 'void solve()':
rowords.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for (int i = 1; i <= s.size(); i++) {
      |                     ~~^~~~~~~~~~~
rowords.cpp:45:27: 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 (int j = 1; j <= t.size(); j++) {
      |                         ~~^~~~~~~~~~~

• Subtask 1: 0 / 100