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#include #include #include using namespace std; int main(){ long long h1, m1, h2, m2; cin >> h1 >> m1 >> h2 >> m2; long long n = 1; long long i = h1, j = m1; if (h1 == h2){ for (j = m1; j <= m2; j++){ cout << i << ":" << j << endl; } return 0; } for (int a = 1; a <= h2 - h1; a++){ for (; j <= 59; j++){ cout << i << ":" << j << endl; } i++; j = 0; } for (j = 0; j <= m2; j++){ cout << i << ":" << j << endl; } return 0; }