0_0_36042941_801.cpp: In function 'int main()':
0_0_36042941_801.cpp:8:2: error: 'cin' was not declared in this scope
cin >> m;
^
0_0_36042941_801.cpp:23:6: error: 'cout' was not declared in this scope
}cout << fixed << setprecision(2) << sum << endl;
^
0_0_36042941_801.cpp:23:49: error: 'endl' was not declared in this scope
}cout << fixed << setprecision(2) << sum << endl;
^
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