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標(biāo)題: char,int,long混合計(jì)算問(wèn)題 [打印本頁(yè)]
作者: wangyin    時(shí)間: 2014-7-14 01:12
標(biāo)題: char,int,long混合計(jì)算問(wèn)題
unsigned int val_d0 = 1260;
unsigned int val_d = 75;
unsigned long val_di;

val_di =  val_d0*100 + val_d*100;

char,int,long混合計(jì)算問(wèn)題

126000 + 7500 = 133500 = 0x2097c

變量先提升為位數(shù)最多的那個(gè)變量類型，在計(jì)算

上面計(jì)算量都是int型  計(jì)算過(guò)程也是int的





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