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- #include<stdio.h>
- int main()
- {
- int t, i, m, n;
- scanf("%d", &t);
- while (t--)
- {
- scanf("%d", &m);
- n = (1200 - 6 * m) / 7;
- if ((1200 - 6 * m) % 7)
- n++;
- printf("%d", n / 2);
- if (n % 2)
- printf(".5");
- printf("\n");
- }
- return 0;
- }
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