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Main.cc: In function ‘int main()’: Main.cc:24:5: error: expected ‘;’ before ‘}’ token } ^ Main.cc:13:13: warning: unused variable ‘d’ [-Wunused-variable] int d = 0; ^ Main.cc:6:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); // Nh?p s? lu?ng b? test ~~~~~^~~~~~~~~~ Main.cc:10:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &X); ~~~~~^~~~~~~~~~