Compilare: user.cpp: In function ‘int main()’: user.cpp:65:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d", &t); ^ user.cpp:29:9: warning: assuming signed overflow does not occur when assuming that (X - c) <= X is always true [-Wstrict-overflow] if(pos <= A[0]){ ^ user.cpp:29:9: warning: assuming signed overflow does not occur when assuming that (X - c) <= X is always true [-Wstrict-overflow] if(pos <= A[0]){ ^ user.cpp:51:9: warning: assuming signed overflow does not occur when assuming that (X - c) <= X is always true [-Wstrict-overflow] if(pos <= A[0] && !fA[pos]) A[pos] = 9; ^ user.cpp:51:9: warning: assuming signed overflow does not occur when assuming that (X - c) <= X is always true [-Wstrict-overflow] if(pos <= A[0] && !fA[pos]) A[pos] = 9; ^