【代码】 #include <stdio.h> #include <conio.h>
#define f2013_2 main
#define NUM 1367631 #define SUM ((start + end) * (end - start + 2) / 4)
int f2013_2(void) { int start, end; int sum; for (start = 1; start <= NUM; start += 2) { for (end = start + 2; (sum = SUM) <= NUM; end += 2) { printf("%d + ... + %d = %d", start, end, sum); if (sum == NUM) { puts("\nFound!"); _getch(); } else putchar('\n'); } } return 0; }
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