Submission #1029757

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029757		earlyamazon	Savez (COCI15_savez)	C++14	48 / 120	177 ms	2652 KiB

savez

// brut n < 500

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

const int mn = 503;
int n,wyn;

string t[mn];
int dp[mn];

bool czy1w2(string s1, string s2){
    if (s1.size() > s2.size()) return 0;
    for (int i = 0; i < s1.size(); i++){
        if (s1[i] != s2[i] || s1[s1.size()-i-1] != s2[s2.size()-i-1]) return 0;
    }
    return 1;
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin>>n;
    for (int i = 0; i < n; i++){
        cin>>t[i];
    }
    for (int i = 0; i < n; i++){
        dp[i] = 1;
        for (int j = 0; j < i; j++){
            if (czy1w2(t[j], t[i])){
                dp[i] = max(dp[j]+1, dp[i]);
            }
        }
        wyn = max(wyn, dp[i]);
    }
    cout<<wyn<<"\n";
}

Compilation message (stderr)

savez.cpp: In function 'bool czy1w2(std::string, std::string)':
savez.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for (int i = 0; i < s1.size(); i++){
      |                     ~~^~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 0 / 12
• Subtask 6: 0 / 12
• Subtask 7: 0 / 12
• Subtask 8: 0 / 12
• Subtask 9: 0 / 12
• Subtask 10: 0 / 12