Compilare: main.cpp: In function 'int main()': main.cpp:20:11: warning: unused variable 'm' [-Wunused-variable] int n,m,i,x,y,p; ^ main.cpp:20:15: warning: unused variable 'x' [-Wunused-variable] int n,m,i,x,y,p; ^ main.cpp:20:17: warning: unused variable 'y' [-Wunused-variable] int n,m,i,x,y,p; ^ main.cpp:20:19: warning: unused variable 'p' [-Wunused-variable] int n,m,i,x,y,p; ^ main.cpp:21:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ main.cpp:24:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^