View Compilation Error

0_0_25186480_17421.cpp: In function 'int main()':
0_0_25186480_17421.cpp:75:3: error: expected ';' before 'for'
   for(int i=0;i<w;i++)
   ^
0_0_25186480_17421.cpp:75:15: error: 'i' was not declared in this scope
   for(int i=0;i<w;i++)
               ^