0_0_37708945_16215.cpp: In function 'int main()':
0_0_37708945_16215.cpp:5:1: error: 'a' was not declared in this scope
a, b;
^
0_0_37708945_16215.cpp:5:4: error: 'b' was not declared in this scope
a, b;
^
0_0_37708945_16215.cpp:7:1: error: 'ans' was not declared in this scope
ans = a + b;
^
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