Compilare: user.c: In function ‘tryc’: user.c:16:13: warning: implicit declaration of function ‘solve’ [-Wimplicit-function-declaration] solve(pi-1,pj,k,drum); ^ user.c: At top level: user.c:36:6: warning: conflicting types for ‘solve’ [enabled by default] void solve(int pi,int pj,int k,int drum[2][100]) ^ user.c:16:13: note: previous implicit declaration of ‘solve’ was here solve(pi-1,pj,k,drum); ^ user.c: In function ‘main’: user.c:59:6: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘char (*)[100]’ [-Wformat=] { fscanf(f,"%s\n",&line); ^ user.c:81:5: warning: passing argument 4 of ‘solve’ from incompatible pointer type [enabled by default] solve(paz[1][lp],paz[2][lp],0,&drum); ^ user.c:36:6: note: expected ‘int (*)[100]’ but argument is of type ‘int (*)[2][100]’ void solve(int pi,int pj,int k,int drum[2][100]) ^ user.c: In function ‘tryc’: user.c:33:1: warning: control reaches end of non-void function [-Wreturn-type] } ^