Compilare: main.cpp: In function 'void FirstTask()': main.cpp:33:41: warning: unused variable 'drg' [-Wunused-variable] int AnswerTaskOne=drag[1],nod,vecin,drg,i,way; ^~~ main.cpp: In function 'void READ()': main.cpp:14:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n%d %d",&task,&n,&m); ^ main.cpp:17:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&drag[i]); ^ main.cpp:22:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&x,&y,&c); ^