#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("总费用%f",sum); return 0; }
慕妹1338383
2018-10-18 09:15
为什么算出来是0
2回答
-
- bao_
- 2018-10-29 15:27:56
#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("小明打车一共花%f",money);
}else{
money=k+kilometre+a;
printf("小明打车一共花%f",money);
}
if(kilometre<=3){
printf("小明打车一共花%f",money);
}else{
money=k+kilometre+a;
printf("小明打车一共花%f",money);
}
}
return 0;
}
-
- bao_
- 2018-10-29 15:17:20
运行失败
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
}
^
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