Eroare de compilare: main.c: In function 'fill': main.c:6:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.c: At top level: main.c:13:11: error: expected '{' before '(' token void union(int x, int y) { ^ main.c:13:6: error: two or more data types in declaration specifiers void union(int x, int y) { ^~~~~ main.c: In function 'main': main.c:31:18: error: expected '{' before '(' token union(x, y); ^ main.c:33:17: warning: implicit declaration of function 'find' [-Wimplicit-function-declaration] if (find(x) == find(y)) { ^~~~ main.c:24:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:29:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &c, &x, &y); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1