25 lines
485 B
C++
25 lines
485 B
C++
#include "offer_05.hpp"
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string Solution::replaceSpace(string s) {
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int len = s.length();
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int cnt{0};
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for (int i{0}; i < len; ++i) {
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if (s[i] == ' ') {
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s.push_back(' ');
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s.push_back(' ');
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cnt++;
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}
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}
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len = s.length();
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for (int fast = len - 1, slow = len - 1 - 2 * cnt; fast >= 0; --slow) {
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if (s[slow] == ' ') {
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s[fast--] = '0';
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s[fast--] = '2';
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s[fast--] = '%';
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} else {
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s[fast--] = s[slow];
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}
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}
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return s;
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}
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