new file:   "3910_GCD_Determinant_\346\254\247\346\213\211\345\207\275\346\225\260.cpp"
new file:   "3910_GCD_Determinant_\346\254\247\346\213\211\345\207\275\346\225\260.cpp"

atupal/oj,atupal/oj,atupal/oj,atupal/oj,atupal/oj,atupal/oj