0_0_37947536_13743.cpp: In function 'int main()':
0_0_37947536_13743.cpp:73:9: error: 'ans' was not declared in this scope
cout<<ans<<endl;
^
0_0_37947536_13743.cpp: At global scope:
0_0_37947536_13743.cpp:79:1: error: expected declaration before '}' token
}
^
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