33 lines
764 B
C++
33 lines
764 B
C++
#include <iostream>
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#include <string>
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using namespace std;
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class Solution {
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public:
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string replaceSpace(string s) {
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int count = 0;
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int lenth = s.size();
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for(auto i = 0; i < lenth; ++i){
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if(s[i] == ' '){
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count = count + 1;
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}
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}
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s.resize(s.size() + 2 * count);
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for(int i = lenth - 1, j = s.size() - 1; i < j; --i, --j){
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if (s[i] != ' ')
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s[j] = s[i];
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else {
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s[j - 2] = '%';
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s[j - 1] = '2';
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s[j] = '0';
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j -= 2;
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}
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}
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return s;
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}
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};
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int main(){
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string s = "We are happy.";
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Solution test;
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cout<<test.replaceSpace(s)<<endl;
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} |