ROMAN TO INT
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class Solution {
public:
int romanToInt(string s) {
int rtoi[2000];
rtoi['I'] = 1;
rtoi['V'] = 5;
rtoi['X'] = 10;
rtoi['L'] = 50;
rtoi['C'] = 100;
rtoi['D'] = 500;
rtoi['M'] = 1000;
int sum = 0;
for(int i = 0;i <= s.size();i++)
{
if(i == s.size())
{
sum+=rtoi[s[i]];
break;
}
if(rtoi[s[i+1]] <= rtoi[s[i]])
{
sum += rtoi[s[i]];
}
else
{
sum -= rtoi[s[i]];
}
}
return sum;
}
};
public:
int romanToInt(string s) {
int rtoi[2000];
rtoi['I'] = 1;
rtoi['V'] = 5;
rtoi['X'] = 10;
rtoi['L'] = 50;
rtoi['C'] = 100;
rtoi['D'] = 500;
rtoi['M'] = 1000;
int sum = 0;
for(int i = 0;i <= s.size();i++)
{
if(i == s.size())
{
sum+=rtoi[s[i]];
break;
}
if(rtoi[s[i+1]] <= rtoi[s[i]])
{
sum += rtoi[s[i]];
}
else
{
sum -= rtoi[s[i]];
}
}
return sum;
}
};
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