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2 parents c7111b2 + 6cd8bab commit 1257ddaCopy full SHA for 1257dda
C++/chapLinearList.tex
@@ -455,7 +455,7 @@ \subsubsection{代码}
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}
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for (int i = 0; i < num.size(); i++) {
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const int gap = target - num[i];
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- if (mapping.find(gap) != mapping.end()) {
+ if (mapping.find(gap) != mapping.end() && mapping[gap] > i) {
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result.push_back(i + 1);
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result.push_back(mapping[gap] + 1);
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break;