View Compilation Error

0_0_34695318_7073.cpp: In function 'int main()':
0_0_34695318_7073.cpp:20:4: error: expected ';' before 'scanf'
    scanf("%d%d",&v[i],&w[i]);
    ^
0_0_34695318_7073.cpp:20:29: error: expected ')' before ';' token
    scanf("%d%d",&v[i],&w[i]);
                             ^
0_0_34695318_7073.cpp:23:3: error: expected ';' before '{' token
   {
   ^
0_0_34695318_7073.cpp:23:3: error: expected primary-expression before '{' token
0_0_34695318_7073.cpp:23:3: error: expected ')' before '{' token