35 lines
625 B
C++
35 lines
625 B
C++
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/*
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Description: To delete alternate characters in a string
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Approach: To iterate over string and append the alternate characters in the output string
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*/
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#include <iostream>
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#include <string>
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using namespace std;
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//function
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string delAlternate(string S) {
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// declaring an output string
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string r;
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//iterating over string and incrementing i by 2 to take alternate characters
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for(int i=0;i<S.length();i+=2) {
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r+=S.at(i);
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}
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return r;
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}
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//main starts
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int main() {
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std::cout << "Enter a string: \n";
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string s;
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cin>>s;
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cout<<delAlternate(s);
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}
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/*
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Sample Input:
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Enter a string:
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hello
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output:
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hlo
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*/
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