View Compilation Error

0_0_21482206_4214.cpp: In function 'int main()':
0_0_21482206_4214.cpp:23:9: error: expected ';' before 'for'
         for(int i=1;i<=n;++i){
         ^
0_0_21482206_4214.cpp:23:21: error: 'i' was not declared in this scope
         for(int i=1;i<=n;++i){
                     ^