noobied's blog

By noobied, history, 7 years ago, In English

HOW TO SOLVE THIS QUESTION QUES

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

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

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      7 years ago, # ^ |
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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)