kitchen.cpp: In function 'int main()':
kitchen.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
9 | scanf("%d%d%d", &n, &m, &k);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:11:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d", &a[i]), x += a[i];
| ~~~~~^~~~~~~~~~~~~
kitchen.cpp:14:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | scanf("%d", &b[i]);
| ~~~~~^~~~~~~~~~~~~