XMzhou的专栏

102. Coprimestime limit per test: 0.5 sec. memory limit per test: 4096 KBFor given integer N (1N104) find amount of positive numbers not greater than N that coprime with N. Let us call two

101. Dominotime limit per test: 0.5 sec. memory limit per test: 4096 KBDominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, o

107. 987654321 problemtime limit per test: 0.25 sec. memory limit per test: 4096 KBFor given number N you must output amount of N-digit numbers, such, that last digits of their square is equ