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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); b = b.substr(1);
} }
if (aIsNeg && !bIsNeg) return true; bool aIsPos = !aIsNeg, bIsPos = !bIsNeg;
if (!aIsNeg && bIsNeg) return false;
if (a.length() < b.length()) { if (aIsNeg && bIsPos) return true;
return !aIsNeg; if (aIsPos && bIsNeg) return false;
}
if (a.length() > b.length()) { if (a.length() < b.length()) return aIsPos;
return aIsNeg; if (a.length() > b.length()) return aIsNeg;
}
for (int i = 0; i < a.length(); i++) { 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; if (a[i] > b[i]) return aIsNeg;
} }
@ -37,22 +35,14 @@ class Solution {
bool isNeg = x < 0; bool isNeg = x < 0;
string s = to_string(x); string s = to_string(x);
if (isNeg) s = s.substr(1);
if (isNeg) {
s = s.substr(1);
}
std::reverse(s.begin(), s.end()); std::reverse(s.begin(), s.end());
if (isNeg) { if (isNeg) {
s = "-" + s; s = "-" + s;
if (isLessThan(s, to_string(INT32_MIN))) { if (isLessThan(s, to_string(INT32_MIN))) s = "0";
s = "0";
}
} else { } else {
if (isLessThan(to_string(INT32_MAX), s)) { if (isLessThan(to_string(INT32_MAX), s)) s = "0";
s = "0";
}
} }
return atoi(s.c_str()); return atoi(s.c_str());