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refactor: using pos variable

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This commit is contained in:
SquidSpirit 2025-02-14 00:43:37 +08:00
parent 15fd24ee3a
commit 5f9464b16e
1 changed files with 11 additions and 21 deletions
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30
7_reverse_integer/main.cpp
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@ -15,18 +15,16 @@ class Solution {
b = b.substr(1);
}
if (aIsNeg && !bIsNeg) return true;
if (!aIsNeg && bIsNeg) return false;
bool aIsPos = !aIsNeg, bIsPos = !bIsNeg;
if (a.length() < b.length()) {
return !aIsNeg;
}
if (a.length() > b.length()) {
return aIsNeg;
}
if (aIsNeg && bIsPos) return true;
if (aIsPos && bIsNeg) return false;
if (a.length() < b.length()) return aIsPos;
if (a.length() > b.length()) return aIsNeg;
for (int i = 0; i < a.length(); i++) {
if (a[i] < b[i]) return !aIsNeg;
if (a[i] < b[i]) return aIsPos;
if (a[i] > b[i]) return aIsNeg;
}
@ -37,22 +35,14 @@ class Solution {
bool isNeg = x < 0;
string s = to_string(x);
if (isNeg) {
s = s.substr(1);
}
if (isNeg) s = s.substr(1);
std::reverse(s.begin(), s.end());
if (isNeg) {
s = "-" + s;
if (isLessThan(s, to_string(INT32_MIN))) {
s = "0";
}
if (isLessThan(s, to_string(INT32_MIN))) s = "0";
} else {
if (isLessThan(to_string(INT32_MAX), s)) {
s = "0";
}
if (isLessThan(to_string(INT32_MAX), s)) s = "0";
}
return atoi(s.c_str());