Compilare: main.cpp: In function 'void reset()': main.cpp:15:44: warning: suggest parentheses around assignment used as truth value [-Wparentheses] cuplaj[i]=cupArb[i]=been[i]=viz[i]=start[i]=sol[i]=0; ~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read()': main.cpp:24:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ main.cpp:26:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&a,&b); ^ main.cpp:31:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&a,&b); ^ main.cpp: In function 'void solve()': main.cpp:71:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t); ^