Submission #833978

#	Time	Username	Problem	Language	Result	Execution time	Memory
833978		helloworld1705	Bad Codes (CCO19_day2problem3)	C++14	4 / 100	5 ms	1876 KiB

Main

/*
 _               _      
| |             (_)     
| |__   __ _ ___ _  ___ 
| '_ \ / _` / __| |/ __|
| |_) | (_| \__ \ | (__ 
|_.__/ \__,_|___/_|\___|
                        
*/

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e6 + 5;

#define pii pair <int , int>
#define fi first
#define se second
#define bit(a,b) ((a >> b) & 1ll)
const int M = 1e3 + 3;
const int inf = 1e18;

const int mod = 1e9 + 7;

int TEST = 0;
void STEST();



/* -----------------[ MAIN CODE GOES HERE ]----------------- */

void init() {
    
}

string s[10001];
set <string> st;

void solve() {
    int n , m;
    cin >> n >> m;
    for(int i = 0; i < n; i++) {
   		cin >> s[i];
    }
    int res = inf;
    for(int sz = 1; sz < 7; sz++) {
    	for(int i = 0; i < (1 << (sz * 2)); i++) {
    		string ans = "";
    		int x = i;
    		for(int j = 0; j < sz; j++) {
    			ans += s[x & 3];
    			x = (x >> 2);
    		}
    		if(st.find(ans) == st.end()) {
    			st.insert(ans);
    			continue;
    		}
    		int SIZE = ans.size();
    		res = min(res , SIZE);
    	}
    }
    cout << (res == inf ? -1 : res) << '\n';
    return;
}

main() { 

    if (fopen("code.inp", "r")) {
        freopen("code.inp", "r", stdin);
        freopen("code.out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    STEST();
    if(TEST) {
        int t;
        cin >> t;
        while(t-->0) {
            // your code down here //
            solve();        
        }
    }       
    else {
        solve();
    }
    return 0x0;

}

void STEST() {
    
}

// code by nothing //

Compilation message (stderr)

Main.cpp:66:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   66 | main() {
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen("code.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:70:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |         freopen("code.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 7
• Subtask 3: 0 / 14