1、12022-3-1622022-3-1632022-3-1642022-3-165main( ) float=* *printf (%fn ,) ; 例例jc2_12022-3-1662022-3-167數(shù)組類型數(shù)組類型結(jié)構(gòu)體類型結(jié)構(gòu)體類型共用體類型共用體類型枚舉類型枚舉類型指針類型指針類型構(gòu)造類型構(gòu)造類型2022-3-1682022-3-1692022-3-16102022-3-16112022-3-16122022-3-16132022-3-16142022-3-16152022-3-16162022-3-16172022-3-16182022-3-16192022-3-16202022-

2、3-16212022-3-16222022-3-16232022-3-16242022-3-16252022-3-16262022-3-16272022-3-16282022-3-16292022-3-1630例題3.5：轉(zhuǎn)義字符的使用。書48頁2022-3-16312022-3-1632011000012022-3-16332022-3-16342022-3-16352022-3-16362022-3-16372022-3-16382022-3-16392022-3-16402022-3-16412022-3-16422022-3-16432022-3-16442022-3-16452022

3、-3-16462022-3-16472022-3-16482022-3-16492022-3-16502022-3-16512022-3-16522022-3-16532022-3-16542022-3-16552022-3-16562022-3-16572022-3-16582022-3-16592022-3-16602022-3-16612022-3-16622022-3-16632022-3-16642022-3-16652022-3-16662022-3-1667( ) + - + - * / % + - 同級 同級 同級 2022-3-16682022-3-16692022-3-16

4、702022-3-1671main( ) int a=5; printf(%d %dn,a,a+ ); 運行例運行例2.52022-3-1672main( ) int a=5; printf(%d%dn,a,(a+)+( a+); 運行例運行例2.62022-3-16732022-3-16742022-3-16752022-3-16762022-3-16772022-3-16782022-3-16792022-3-16802022-3-16812022-3-1682低于單目、算術(shù)運算符，低于單目、算術(shù)運算符，高于其他運算符高于其他運算符低于單目、算術(shù)和關(guān)系運低于單目、算術(shù)和關(guān)系運算符，高于其他

5、運算符算符，高于其他運算符2022-3-16832022-3-1684輸出結(jié)果：輸出結(jié)果：運行運行jc2_b2022-3-1685 main( ) int a=10, b=2; printf(%d %dn, , ); 輸出結(jié)果：輸出結(jié)果：運行運行jc2_c2022-3-16862022-3-1687等價于：等價于：(m=10 & b-20) a b等價于：等價于：x= ( 3+a5 ) 100 200 )2022-3-16882022-3-1689 a=5, a+, a* 3 t=1, t+5, t+ x=(a=3*5, a*4 )2022-3-16902022-3-1691main( ) int a=5; double x; printf(%d %d ,sizeof(),sizeof( ); printf(%d %d ,sizeof(),sizeof( ); printf(%d %dn,sizeof(),sizeof(); 輸出結(jié)果：輸出結(jié)果：運行jc2_d202