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17 lines
240 B
C
17 lines
240 B
C
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#include <stdio.h>
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int main() {
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int h, m;
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scanf("%d:%d", &h, &m);
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double angle = 30 * h - 5.5 * m;
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if (angle < 0) angle = -angle;
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if (angle > 180) angle = 360 - angle;
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printf("%.3lf\n", angle);
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return 0;
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}
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