View Compilation Error

0_0_37797759_21974.cpp: In function 'int main()':
0_0_37797759_21974.cpp:13:16: error: 'temp' was not declared in this scope
    scanf("%d",&temp);
                ^
0_0_37797759_21974.cpp:16:16: error: 'temp' was not declared in this scope
    scanf("%d",&temp);
                ^