Eroare de compilare: main.cpp: In function 'void merge(int, int)': main.cpp:34:14: error: expected ';' before ']' token size[rootX]] += size[rootY]; ^ main.cpp:34:13: warning: statement has no effect [-Wunused-value] size[rootX]] += size[rootY]; ~~~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:43:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.in", "r", stdin); ^ main.cpp:44:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.out", "w", stdout); ^ main.cpp:46:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &ops); ^ main.cpp:54:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &opType, &x, &y); ^ Non zero exit status: 1