731A - Night at the Museum - CodeForces Solution

implementation strings *800

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Python Code: 

c=97;s=0
for i in map(ord,input()):
    x=abs(c-i)
    s+=min(x,26-x)
    c=i
print(s)

C++ Code: 

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

int main() {
	string s; cin >> s;
	char pos = 'a';
	int sol = 0;

	for (int i = 0; i < s.size(); ++i) {
		sol += min(abs(pos - s[i]), 26 - abs(pos - s[i]));
		pos = s[i];
	}
	cout << sol << "\n";
}


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