0_0_35525020_5950.cpp: In function 'int main()':
0_0_35525020_5950.cpp:48:8: error: 'cin' was not declared in this scope
while(cin >> a >> b)
^
0_0_35525020_5950.cpp:55:26: error: 'printf' was not declared in this scope
printf("%d\n", ans[i]);
^
0_0_35525020_5950.cpp:59:3: error: 'cout' was not declared in this scope
cout<<endl;
^
0_0_35525020_5950.cpp:59:9: error: 'endl' was not declared in this scope
cout<<endl;
^
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