Submission #1648459

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Source Code Expand

#include<stdio.h>
int main()
{
int i=0,n,x=0,max=0;
char ch[1000];
scanf("%d",&n);
scanf("%s",ch);
while(ch[i]!=NULL)
{
    if(ch[i]=='I')
    {
        x += 1;
    }
    else if(ch[i]=='D')
    {
        x -= 1;
    }
    
    if(x>max)
    {
        max=x;
    }
    i++;
}
printf("%d",max);

}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:12: warning: comparison between pointer and integer
 while(ch[i]!=NULL)
            ^
./Main.c:6:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d",&n);
 ^
./Main.c:7:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%s",ch);
 ^

Judge Result