Eroare de compilare: main.c:4:23: error: expected ';', ',' or ')' before '&' token int W(int a,int b,int &x,int &y) { ^ main.c: In function 'main': main.c:15:79: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Wformat=] freopen("euclid3.in","r",stdin),freopen("euclid3.out","w",stdout),scanf("%d",&t); ^ main.c:18:11: warning: implicit declaration of function 'W' [-Wimplicit-function-declaration] d=W(a,b,x,y); ^ main.c:15:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("euclid3.in","r",stdin),freopen("euclid3.out","w",stdout),scanf("%d",&t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:15:37: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("euclid3.in","r",stdin),freopen("euclid3.out","w",stdout),scanf("%d",&t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:15:71: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("euclid3.in","r",stdin),freopen("euclid3.out","w",stdout),scanf("%d",&t); ^~~~~~~~~~~~~~ main.c:17:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a,&b,&c); ^~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1