Compilare: user.cpp: In function ‘int lee(int (*)[260], int, int)’: user.cpp:59:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:67:10: warning: unused variable ‘x’ [-Wunused-variable] char x; ^ user.cpp:66:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rj.out", "w", stdout); ^ user.cpp:69:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d\n", &n, &m); ^ user.cpp:74:26: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(aa, 300, f); ^ user.cpp:95:17: warning: ‘sj’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(t,si,sj); ^ user.cpp:95:17: warning: ‘si’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:94:18: warning: ‘pj’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(je,pi,pj); ^ user.cpp:94:18: warning: ‘pi’ may be used uninitialized in this function [-Wmaybe-uninitialized]