Compilare: user.cpp: In function ‘int main()’: user.cpp:48:27: warning: narrowing conversion of ‘i’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] aux = (data) { i, j, 0 }; ^ user.cpp:48:27: warning: narrowing conversion of ‘j’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:68:44: warning: narrowing conversion of ‘xx’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] Q.push ( (data) { xx, yy, aux.pasi + 1 } ); ^ user.cpp:68:44: warning: narrowing conversion of ‘yy’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:68:40: warning: narrowing conversion of ‘(((int)aux.data::pasi) + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] Q.push ( (data) { xx, yy, aux.pasi + 1 } ); ^ user.cpp:43:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%d%d", &N, &M ); ^ user.cpp:44:72: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%hd%hd%hd%hd", &start.x, &start.y, &finish.x, &finish.y ); ^