Submission #1065184

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Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
#define ll long long
using namespace std;
const int N=2000100,mod=1e8;
inline int read(){
    int x=0,c=getchar(),f=0;
    for(;c>'9'||c<'0';f=c=='-',c=getchar());
    for(;c>='0'&&c<='9';c=getchar())
    x=(x<<1)+(x<<3)+c-'0';return f?-x:x;
}
void write(ll x){
    if(x>9)write(x/10);
    putchar(x%10+'0');
}char s[N];
int i,a,b,ans,n,x;
int main(){
	scanf("%d%s",&n,s+1);
	for(i=1;i<=n;i++){
		if(s[i]=='I')x++;
		if(s[i]=='D')x--;
		if(x>ans)ans=x;
	}printf("%d\n",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%s",&n,s+1);
                      ^

Judge Result