c語言||和&&什么意思 C語言算術(shù)運(yùn)算符是哪些?
C語言算術(shù)運(yùn)算符是哪些?1. 模塊運(yùn)算“%”和“Module”是“mod”的音譯,常用于編程中。Mod表示補(bǔ)足。模運(yùn)算在數(shù)論和程序設(shè)計(jì)中有著廣泛的應(yīng)用,從奇偶數(shù)到素?cái)?shù),從模冪運(yùn)算到最大公約數(shù),從孫子問
C語言算術(shù)運(yùn)算符是哪些?
1. 模塊運(yùn)算“%”和“Module”是“mod”的音譯,常用于編程中。Mod表示補(bǔ)足。模運(yùn)算在數(shù)論和程序設(shè)計(jì)中有著廣泛的應(yīng)用,從奇偶數(shù)到素?cái)?shù),從模冪運(yùn)算到最大公約數(shù),從孫子問題到凱撒密碼問題,都充滿了模運(yùn)算。C語言使用“%”表示模塊化操作,如7%2=1、8%5=3等
2。Autoincrement操作“C語言用”表示Autoincrement操作,分為前綴Autoincrement和后綴Autoincrement,其效果是自身變量值1。如果前綴本身增加,例如“a=5B=a”,則運(yùn)行結(jié)果為“a=6,B=6”。如果后綴自動(dòng)增加,例如“a=5B=a”,則運(yùn)行結(jié)果為“a=6,B=5”。
3. 自減法運(yùn)算--“C語言用”--“表示自減法運(yùn)算,分為前綴自減法和后綴自減法,其效果是自變量值-1。如果前綴本身減少,例如“a=5B=--a”,則運(yùn)行結(jié)果為“a=4,B=4”。例如,“a=5B=a--”,運(yùn)行結(jié)果為“a=4,B=5”。擴(kuò)展數(shù)據(jù):C語言常用運(yùn)算符:加法-:減法>:位右移:大于>=:大于或等于=:加法賦值運(yùn)算-=:減法賦值運(yùn)算*=:乘法賦值運(yùn)算/=:除法賦值運(yùn)算%=:模賦值運(yùn)算
邏輯非,logical and,logical or
在上述三個(gè)邏輯運(yùn)算符中,logical not的優(yōu)先級(jí)最高,logical and次之,logical or的優(yōu)先級(jí)最低。換句話說,算術(shù)、邏輯和賦值運(yùn)算符的優(yōu)先級(jí)順序是:邏輯非算術(shù)>邏輯與、邏輯或|>賦值
c語言中什么符號(hào)的運(yùn)算級(jí)別最低?
int main()]{
int a,b
char ch
printf(“please enter x=”)
scanf(%d,&A)
printf(“please enter y=”)
scanf(%d”,&B)
printf(“please enter the required operation:”)
scanf(%C“,&ch)
switch(CH)
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}一樣