マイクãƒãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç®¡ç†ã‚·ã‚¹ãƒ†ãƒ ã®å®Ÿè£…#include <assert.h> int getNumberOfDays(int month) { assert(1 <= month && month <= 12); /* ã†ã‚‹ã†å¹´ã¯ç„¡è¦– */ static int days[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; return days[month - 1]; } ã“ã“ã§ã¯ã€å¤‰æ•°monthãŒ1～12ã®é–“ã«ã‚ã‚‹ã“ã¨ã‚’æ¡ä»¶ã¨ã—ã¦æŒ‡å®šã—ã¦ã„ã¾ã™ã€‚ プãƒã‚°ãƒ©ãƒ 実行時ã«assertã«æŒ‡å®šã•ã‚ŒãŸæ¡ä»¶ã‚’満足ã—ã¦ã„ãªã„ã¨ã€ãã®æ™‚点ã§
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