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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. inline int power(int a, int b) {
  6.     int x = 1;
  7.     while (b) {
  8.         if (b & 1) x *= a;
  9.         a *= a;
  10.         b >>= 1;
  11.     }
  12.     return x;
  13. }
  14.  
  15.  
  16. const int M = 1000000007;
  17. const int N = 3e5+9;
  18. const int INF = 2e9+1;
  19. const int LINF = 2000000000000000001;
  20.  
  21. //_ ***************************** START Below *******************************
  22.  
  23.  
  24.  
  25. void bruteforce(int n, int m){
  26. 	int ways = 0;
  27. 	for(int i=0; i<=m; i++){
  28. 		for(int j=0; j<=m; j++){
  29. 			for(int k=0; k<=m; k++){
  30. 				if(i+j+k == n) ways++;
  31. 			}
  32. 		}
  33. 	}
  34. 	cout << ways << endl;
  35. }
  36. void consistency(int n, int m) {
  37. 	int ways = 0;
  38. 	for(int i=0; i<=m; i++){
  39. 		for(int j=0; j<=m; j++){
  40. 			int k = n-(i+j);
  41. 			if(k>=0 && k<=m) ways++;
  42. 		}
  43. 	}
  44. 	cout << ways << endl;
  45. }
  46.  
  47. void solve() {
  48.  
  49.     int n, m;
  50.     cin >> n >> m;
  51.     bruteforce(n, m);
  52.     consistency(n, m);
  53.  
  54. }
  55.  
  56.  
  57.  
  58.  
  59.  
  60. int32_t main() {
  61.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  62.  
  63.     int t = 1;
  64.     while (t--) {
  65.         solve();
  66.     }
  67.  
  68.     return 0;
  69. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/ax4jg5
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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