【2018NOIP普及组】T1 标题统计

P5015 标题统计
题目传送门
方法一：

#include<cstdio>
#include<iostream>
#include<cmath>
#include<cstring>
#include<string>
#include<algorithm>
#include<vector>
#define fre(x) freopen(#x".in","r",stdin),freopen(#x".out","w",stdout);
using namespace std;
const int MAX=2147483647;
const int N=1e6;
string s;
int ans;
int main()
{
	//fre();
	getline(cin,s);
	int len=s.size();
	for(int i=0;i<len;i++) if(s[i]!=' ') ans++;
	printf("%d",ans);
	return 0;
}

方法二：

#include<cstdio>
#include<iostream>
#include<cmath>
#include<cstring>
#include<string>
#include<algorithm>
#include<vector>
#define fre(x) freopen(#x".in","r",stdin),freopen(#x".out","w",stdout);
using namespace std;
const int MAX=2147483647;
const int N=1e6;
char s[1000];
int ans;
int main()
{
	//fre();
	gets(s);
	int len=strlen(s);
	for(int i=0;i<len;i++) if(s[i]!=' ') ans++;
	printf("%d",ans);
	return 0;
}

方法三：

#include<cstdio>
#include<iostream>
#include<cmath>
#include<cstring>
#include<string>
#include<algorithm>
#include<vector>
#define fre(x) freopen(#x".in","r",stdin),freopen(#x".out","w",stdout);
using namespace std;
const int MAX=2147483647;
const int N=1e6;
string s;
int ans;
int main()
{
	//fre();
	while(cin>>s) ans+=s.size();	
	printf("%d",ans);
	return 0;
}