Compilare: user.cpp: In function ‘void sol23()’: user.cpp:92:80: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((dira[0][x+dx[dir[0][i]]][y+dy[dir[0][i]]]%2==0 && dira[1][x+dx[dir[1][j]]][y+dy[dir[1][j]]]%2==0 || ^ user.cpp:57:32: warning: unused variable ‘cpi’ [-Wunused-variable] int mn[]={0,0},cpi=0; ^ user.cpp: In function ‘int main()’: user.cpp:157:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:162:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[0][i][j]); ^ user.cpp:167:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&x,&y,&xf,&yf); ^ user.cpp: In function ‘void sol23()’: user.cpp:133:31: warning: ‘dmn’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d %d",dmn-8,nr); ^