简单题
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#include <iostream> #include <cstdlib> #include <cstdio> #include <cstring> using namespace std; int n; int main() { int t = 0; while (scanf("%d", &n) && n) { t++; printf("%d. ", t); if (n & 1) printf("odd "); else printf("even "); printf("%d\n", n / 2); } return 0; }