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CompareVersionNumbers.cpp
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39 lines (37 loc) · 1.01 KB
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class Solution {
public:
int compareVersion(string version1, string version2) {
version1.append(1,'.');
version2.append(1,'.');
int i=0;
int j=0;
while(true) {
int i1 = i;
int j1 = j;
if(i1 >= version1.length() && j1>=version2.length()) {
return 0;
} else if(i1 >= version1.length()) {
version1.append("0.");
} else if(j1>=version2.length()) {
version2.append("0.");
}
while(version1[i1]!='.') {
i1++;
}
while(version2[j1]!='.') {
j1++;
}
int v1 = stoi(version1.substr(i, i1));
int v2 = stoi(version2.substr(j, j1));
if(v1!=v2) {
if(v1 > v2) {
return 1;
}
return -1;
}
i = i1+1;
j = j1+1;
}
return 0;
}
};