[英]Using function and checking a greater value from arrays
我试图使用数组创建一个函数并获得更大的价值,但是我却失败了并获得这些消息,有人可以帮助我吗?
\\ Untitled4.c在函数“ main”中:
25 27 \\ Untitled4.c [警告]传递'quatroMaior'的参数1使指针从整数开始而没有强制转换
3 5 \\ Untitled4.c [注]预期为'int *',但参数的类型为'int'
#include <stdio.h>
int greater(int array[]) {
int i, greater;
for (i = 0; i < 4; i++) {
if(array[i] > greater) {
greater = array[i];
}
}
return greater;
}
int main(void) {
int j, v[4];
printf("Type four values\n");
for (j = 0; j < 4; j++) {
scanf("%d", &v[j]);
}
printf("%d", greater(v[4]));
system("pause");
return 0;
}
正如约瑟夫在评论中所说,您传递的是整数,而不是数组。 您必须编写greater(v)
而不是greater(v[4])
。
接下来需要做的是将greater
变量初始化为greater = 0
。
#include <stdio.h>
int greater(int array[])
{
int i, greater = 0;
for (i = 0; i < 4; i++)
{
if (array[i] > greater)
{
greater = array[i];
}
}
return greater;
}
int main (void)
{
int j, v[4];
printf("Type four values\n");
for (j = 0; j < 4; j++)
{
scanf("%d", &v[j]);
}
printf("%d\n", greater(v));
return 0;
}
#include <stdio.h>
int greater(int array[]) {
int i, greater;
/* greater is not init so you have an Undefined behavior.
** You could init it with array[0] but remind that need that size of array is at least 1.*/
for (i = 0; i < 4; i++) { // If you do start at 1 because 0 is already in greater.
if (array[i] > greater) { // here greater is not init !
greater = array[i];
}
}
return greater;
}
int main(void) {
int j, v[4];
printf("Type four values\n");
for (j = 0; j < 4; j++) {
scanf("%d", &v[j]);
}
printf("%d", greater(v[4]));
/* you send v[4] but you array has only range from 0 to 3.
** And is not what greater function expect he expect a array so just v.*/
system("pause");
return 0;
}
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