Compilare: main.cpp: In function 'int main()': main.cpp:66:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &m,&n); ^ main.cpp:69:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i][j]); ^ main.cpp:19:22: warning: array subscript is above array bounds [-Warray-bounds] if(drum[x][y][dir]) ~~~~~~~~~~~~~~^ main.cpp:73:25: warning: array subscript is above array bounds [-Warray-bounds] drum[i][j][4]=d; ~~~~~~~~~~~~^