bank.cpp: In function 'int main()':
bank.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d %d", &N, &M);
| ~~~~~^~~~~~~~~~~~~~~~~
bank.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | scanf("%d", &A[i]);
| ~~~~~^~~~~~~~~~~~~
bank.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf("%d", &B[i]);
| ~~~~~^~~~~~~~~~~~~