Main.c: In function 'main':
Main.c:9:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
9 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
Main.c:10:33: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
10 | for (int i = 0; i < n; ++i) scanf("%d", &b[i]);
| ^~~~~~~~~~~~~~~~~~
Main.c:11:37: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | for (int i = 0; i + 1 < n; ++i) scanf("%d", &p[i]);
| ^~~~~~~~~~~~~~~~~~
Main.c:12:37: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | for (int i = 0; i + 1 < n; ++i) scanf("%d", &u[i]);
| ^~~~~~~~~~~~~~~~~~