0_0_14764371_22827.cpp: In function 'int main()': 0_0_14764371_22827.cpp:33:24: error: 'scan_d' was not declared in this scope scan_d(a[i]); ^ 0_0_14764371_22827.cpp:37:17: error: 'scan_d' was not declared in this scope scan_d(m); ^