94A - Restoring Password - CodeForces Solution


implementation strings *900

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Python Code:

s=str(input());a=[];t=''
for i in range(10):
    a.append(str(input()))
for i in range(0,80,10):
    p=s[i:i+10]
    for j in range(10):
        if a[j]==p:
            t+=str(j)
            break
print(t)

C++ Code:

#include <bits/stdc++.h>
#define ll long long
#define ib ios_base::sync_with_stdio(false)
#define ct cin.tie(NULL)
#define inf INT_MAX
using namespace std;

/*
 
1. Think Greedy
2. Think Brute Force
3. Think solution in reverse order
4. Think DP [ check constraints carefully ]
5. Check base cases for DP and prove solution for Greedy
6. Think Graph 
 
*/

void solve() {
    string word;
    cin >> word;
    
    unordered_map<string, int> m;
    for(int i = 0 ; i < 10 ;i ++) {
        string pattern;
        cin >> pattern;
        m[pattern] = i;
    }
    
    for(int i = 0 ; i < 8 ; i ++) {
        string pattern = word.substr(i*10, 10);
        cout << m[pattern];
    }
    
    cout << "\n";
}

int main() {
	// your code goes here
	ib;
	ct;
// 	int t;
// 	cin >> t;
// 	while (t -- > 0) {
	    solve();
// 	}
	return 0;
}


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