Compilare: user.c: In function ‘main’: user.c:25: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘char (*)[100000000]’ user.c:26: warning: implicit declaration of function ‘strlen’ user.c:26: warning: incompatible implicit declaration of built-in function ‘strlen’ user.c:26: warning: passing argument 1 of ‘strlen’ makes pointer from integer without a cast user.c:26: note: expected ‘const char *’ but argument is of type ‘int’ user.c:27: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘int’ user.c:22: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:23: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:24: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:25: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result