Compilare: main.cpp: In function 'int main()': main.cpp:7:40: warning: unused variable 'aux' [-Wunused-variable] { int n,i,j,p,nrmin,invers,l,poz,ant,aux,urmviz; ^~~ main.cpp:10:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ main.cpp:14:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &a[i][j]); ^