View Compilation Error

0_0_21737053_4039.cpp: In function 'int main()':
0_0_21737053_4039.cpp:47:9: error: 'i' was not declared in this scope
     for(i,0,n-1)
         ^
0_0_21737053_4039.cpp:22:20: error: expected primary-expression before 'for'
 #define rep(i,a,b) for(int i=a;i<=int(b);i++)
                    ^
0_0_21737053_4039.cpp:52:5: note: in expansion of macro 'rep'
     rep(i,1,t-1)printf(" %d",a[i]);
     ^
0_0_21737053_4039.cpp:22:20: error: expected ')' before 'for'
 #define rep(i,a,b) for(int i=a;i<=int(b);i++)
                    ^
0_0_21737053_4039.cpp:52:5: note: in expansion of macro 'rep'
     rep(i,1,t-1)printf(" %d",a[i]);
     ^