#include <stdio.h> int main() { int i=12,sum,n=2; if(i<=3) { sum=13; printf("%d",sum); } sum=(i-3)*2.3+sum; for(n=2;n>=1;n--) { sum +=1;} printf("總費(fèi)用%f",sum); return 0; }
為什么算出來(lái)是0
慕妹1338383
2018-10-18
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2018-10-29
#include <stdio.h>
int main()
{
? ? float kilometre=2.3;
? ? int k=13;
? ? int a=1;
? ? int time=9;
? ? float money;
? ? {
? ? ? ? if(time>=23&&time<5){
? ? ? ? ? ? money=k+(kilometre+kilometre*0.2)+a;
? ? ? ? ? ? printf("小明打車一共花%f",money);
? ? ? ? }else{
? ? ? ? ? ? money=k+kilometre+a;
? ? ? ? printf("小明打車一共花%f",money);
? ? ? ? }
? ? ? ??
? ? ? ? if(kilometre<=3){
? ? ? ? printf("小明打車一共花%f",money);
? ? ? ? }else{
? ? ? ? ? ? ?money=k+kilometre+a;
? ? ? ? ? ? printf("小明打車一共花%f",money);
? ? ? ? }
? ? ? ??
? ? }
? ? return 0;
}
2018-10-29
運(yùn)行失敗
hello.c: In function 'main':
hello.c:6:14: error: stray '\357' in program
? ? ?int tax=1；
? ? ? ? ? ? ? ^
hello.c:6:15: error: stray '\274' in program
? ? ?int tax=1；
? ? ? ? ? ? ? ?^
hello.c:6:16: error: stray '\233' in program
? ? ?int tax=1；
? ? ? ? ? ? ? ? ^
hello.c:7:5: error: expected ',' or ';' before 'int'
? ? ?int time；
? ? ?^~~
hello.c:7:13: error: stray '\357' in program
? ? ?int time；
? ? ? ? ? ? ?^
hello.c:7:14: error: stray '\274' in program
? ? ?int time；
? ? ? ? ? ? ? ^
hello.c:7:15: error: stray '\233' in program
? ? ?int time；
? ? ? ? ? ? ? ?^
hello.c:10:12: error: 'time' undeclared (first use in this function)
? ? ? ? ?if(time>=23&&time<5){
? ? ? ? ? ? ^~~~
hello.c:10:12: note: each undeclared identifier is reported only once for each function it appears in
hello.c:11:13: error: 'money' undeclared (first use in this function)
? ? ? ? ? ? ?money=start(kilometre+kilometre*0.2)+tax;
? ? ? ? ? ? ?^~~~~
hello.c:11:19: error: called object 'start' is not a function or function pointer
? ? ? ? ? ? ?money=start(kilometre+kilometre*0.2)+tax;
? ? ? ? ? ? ? ? ? ?^~~~~
hello.c:5:9: note: declared here
? ? ?int start=13;
? ? ? ? ?^~~~~
hello.c:13:13: error: expected '}' before 'else'
? ? ? ? ? ? ?else{
? ? ? ? ? ? ?^~~~
hello.c: At top level:
hello.c:26:5: error: expected identifier or '(' before 'return'
? ? ?return 0;
? ? ?^~~~~~
hello.c:27:1: error: expected identifier or '(' before '}' token
?}
?^