#include <iostream> using namespace std; // true if nonzero arugments are equal bool is_balanced(int a, int b, int c) { if (a == b && b == c) { return true; } if (a == 0 && b == c) { return true; } if (a == c && b == 0) { return true; } if (a == b && c == 0) { return true; } if (a == 0 && b == 0 && c != 0) { return true; } if (a == 0 && b != 0 && c == 0) { return true; } if (a != 0 && b == 0 && c == 0) { return true; } return false; } int main() { string s; cin >> s; int count = 0; int count_a = 0; int count_b = 0; int count_c = 0; for(int i = 0; i < s.length(); i++) { for(int j = i; j < s.length(); j++) { if(s[j] == 'a') { count_a++; } if(s[j] == 'b') { count_b++; } if(s[j] == 'c') { count_c++; } if (is_balanced(count_a, count_b, count_c)) { count++; } } count_a = 0; count_b = 0; count_c = 0; } cout << count << endl; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | #include <iostream> using namespace std; // true if nonzero arugments are equal bool is_balanced(int a, int b, int c) { if (a == b && b == c) { return true; } if (a == 0 && b == c) { return true; } if (a == c && b == 0) { return true; } if (a == b && c == 0) { return true; } if (a == 0 && b == 0 && c != 0) { return true; } if (a == 0 && b != 0 && c == 0) { return true; } if (a != 0 && b == 0 && c == 0) { return true; } return false; } int main() { string s; cin >> s; int count = 0; int count_a = 0; int count_b = 0; int count_c = 0; for(int i = 0; i < s.length(); i++) { for(int j = i; j < s.length(); j++) { if(s[j] == 'a') { count_a++; } if(s[j] == 'b') { count_b++; } if(s[j] == 'c') { count_c++; } if (is_balanced(count_a, count_b, count_c)) { count++; } } count_a = 0; count_b = 0; count_c = 0; } cout << count << endl; return 0; } |