Main.cc: In function 'int main()':
Main.cc:19:9: error: expected ';' before 'for'
for(int j = 1; j <= n - i; j++)
^
Main.cc:19:24: error: 'j' was not declared in this scope
for(int j = 1; j <= n - i; j++)
^
Main.cc:10:9: warning: unused variable 't' [-Wunused-variable]
int t;
^