Created
January 29, 2017 21:00
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Armstrong Number
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| #include <bits/stdc++.h> | |
| #define MEM(a,b) memset((a),(b),sizeof(a)) | |
| #define MAX(a,b) ((a)>(b)?(a):(b)) | |
| #define MIN(a,b) ((a)<(b)?(a):(b)) | |
| #define MIN3(a,b,c) MIN(MIN(a,b),c) | |
| #define MIN4(a,b,c,d) MIN(MIN(MIN(a,b),c),d) | |
| #define In freopen("In.txt", "r", stdin); | |
| #define Out freopen("out.txt", "w", stdout); | |
| #define i64 long long | |
| #define u64 long long unsigned | |
| #define INF (1<<28) | |
| using namespace std; | |
| int cube(int n) | |
| { | |
| return n * n * n; | |
| } | |
| bool isArmstrongNumber(int n) | |
| { | |
| int sum = 0; | |
| int n_BAK = n; | |
| while(n!=0) | |
| { | |
| int tmp = n%10; | |
| sum += cube(tmp); | |
| n /= 10; | |
| } | |
| if(n_BAK == sum) | |
| return true; | |
| return false; | |
| } | |
| int main() | |
| { | |
| int n; | |
| while(cin >> n) | |
| { | |
| cout << (isArmstrongNumber(n) ? "YES" : "NO" )<< endl; | |
| } | |
| return 0; | |
| } | |
| /* | |
| Sample Input and Output: | |
| 371 | |
| YES | |
| 0 | |
| YES | |
| 5 | |
| NO | |
| 6 | |
| NO | |
| 7 | |
| NO | |
| 9 | |
| NO | |
| 10 | |
| NO | |
| 12 | |
| NO | |
| */ |
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