View Compilation Error

0_0_29714932_20371.cpp: In function 'int main()':
0_0_29714932_20371.cpp:90:17: error: expected ',' or ';' before 'for'
                 for(int i=0;i<=29;i++) if(vis[i]) cnt++;
                 ^
0_0_29714932_20371.cpp:90:29: error: 'i' was not declared in this scope
                 for(int i=0;i<=29;i++) if(vis[i]) cnt++;
                             ^