foo.c: In function 'ss':
foo.c:9:13: warning: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration]
9 | for(i=2;i<=sqrt(n);i++)
| ^~~~
foo.c:9:13: warning: incompatible implicit declaration of built-in function 'sqrt'
foo.c:2:1: note: include '<math.h>' or provide a declaration of 'sqrt'
1 | #include <stdio.h>
+++ |+#include <math.h>
2 | #define N 10000
foo.c: In function 'main':
foo.c:27:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
27 | scanf("%d",&n1);
| ^~~~~~~~~~~~~~~
foo.c:28:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
28 | scanf("%d",&n2);
| ^~~~~~~~~~~~~~~
foo.c:30:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
30 | scanf("%d",&a[i]);
| ^~~~~~~~~~~~~~~~~
foo.c:32:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
32 | scanf("%d",&b[i]);
| ^~~~~~~~~~~~~~~~~
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