Submission #3244030

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int maxn=1e6+5;
char ch[maxn];
int main(){
    scanf(" %s",ch);
    int l=strlen(ch),ans=0;
    for(int i=1;i<=l-1;i++)
        ans+=(ch[i]!=ch[i-1]);
    printf("%d\n",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf(" %s",ch);
                    ^

Judge Result