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1134.cpp
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1134.cpp
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class Solution {
public:
int numDigits(int N) {
int digits = 0;
while(N) {
digits++;
N/=10;
}
return digits;
}
int getAns(int N, int digits) {
int f = 0;
while(N) {
int l = N%10;
N/=10;
f+=pow(l,digits);
}
return f;
}
bool isArmstrong(int N) {
int digits = numDigits(N);
int formed = getAns(N,digits);
return (N == formed);
}
};
__________________________________________________________________________________________________
class Solution {
public:
bool isArmstrong(int N) {
long long sl = to_string(N).length(), i, j, k, s = 0, x, xx, nn = N;;
while (N > 0) {
x = N % 10;
N /= 10;
xx = 1;
for (i = 0; i < sl; i++) xx *= x;
s += xx;
}
return nn == s;
}
};
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