View Compilation Error

0_0_37499247_23743.cpp: In function 'int main()':
0_0_37499247_23743.cpp:29:39: error: 'cin' was not declared in this scope
         for(int i = 0; i < n; i++)    cin>>S1[i];
                                       ^
0_0_37499247_23743.cpp:30:39: error: 'cin' was not declared in this scope
         for(int i = 0; i < n; i++)    cin>>S2[i];
                                       ^
0_0_37499247_23743.cpp:31:39: error: 'cin' was not declared in this scope
         for(int i = 0; i < n; i++)    cin>>S3[i];
                                       ^
0_0_37499247_23743.cpp:32:39: error: 'cin' was not declared in this scope
         for(int i = 0; i < n; i++)    cin>>S4[i];
                                       ^
0_0_37499247_23743.cpp:33:39: error: 'cin' was not declared in this scope
         for(int i = 0; i < n; i++)    cin>>S5[i];
                                       ^