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3 years ago
532 B
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#include <iostream> using namespace std; int main() { int a[100],b,c=0; for (int i = 0; i < 4; i++) { cin >> a[t]; } for (int i = 0; i < 4; i++) { for (int j = i; j < 4; j++) { if (a[i] == a[j + 1]) { c++; } } } if (c == 3) { cout << 2; return 0; } if (c == 6) { cout << 3; return 0; } else { cout << c; return 0; } }
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