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By noobied, history, 8 years ago, In English

HOW TO SOLVE THIS QUESTION QUES

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8 years ago, hide # |
 
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if (n % 2 == 0) cout << "Even\n"; else cout << "Odd\n";

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    8 years ago, hide # ^ |
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    can you explain more some proof will help

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      8 years ago, hide # ^ |
       
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      In graph with odd number of vertexes exist vertex with even number of incident edges because sum of numbers of incident edges is 2 * number of edges, so it is even. But sum of odd number of odd numbers is odd)