include using namespace std; int main(){ ios::sync_with_stdio(false); cin.tie(0); ``` int cnt=0; string t; getline(cin,t); int n= stoi(t); string s; getline(cin,s); for(int i=0;i<n;i++){ if(s[i]!=' '){ cnt++; } } cout<<cnt<<'\n'; return 0; ``` }

``` #include<bits/stdc++.h> using namespace std; int main(){ string s; int c=0; cin>>s; while(cin>>s){ c+=s.length(); } cout<<c; return 0; } ```

``` #include<bits/stdc++.h> using namespace std; int main(){ int n; int i=0,num=0; string s; scanf("%d\n",&n); getline(cin,s); while(i<n) { if(s[i]!=' ') num++; i++; } cout<<num; return 0; } ```

👍 ```C++ #include<bits/stdc++.h> using namespace std; int main(){ string n; string s; getline(cin,n); getline(cin,s); int count=0; for(int i=0;i<stoi(n);i++){ if(s[i]!=' ') count++; } cout<<count; return 0; } ```

``` #include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string n; string s; getline(cin,n); getline(cin,s); int n1 = stoi(n); int count = 0; for(int i = 0; i < n1; i++){ if(s[i] != ' '){ count++; } } cout << count << endl; return 0; } ```

include include using namespace std; int main() { int n; int i = 0, num = 0; string s; scanf("%d\n", &n); //不好用cin>>n //cin >> n 会读取整数 5，但不会消耗后面的换行符 \n。 //后续 getline(cin, str) 会立即读取到残留的 \n，导致 str 被赋值为空字符串。 getline(cin, s); while (i < n) { if (s[i] != ' ') num++; i++; } cout << num; return 0; }

``` #include <iostream> #include <vector> #include <limits> #include<string> using namespace std; int main() { int a; string b; cin >> a; cin.ignore(numeric_limits<streamsize>::max(), '\n'); getline(cin, b); b = b.substr(0, a); int c = 0; for (char d : b) { if (d != ' ') { c++; } } cout << c; return 0; } //输入a,b然后直接历遍非空输出结果 ```

``` #include<bits/stdc++.h> using namespace std; string n; string str; int sum; int main() { getline(cin,n); //getchar(); getline(cin,str); int t = stoi(n); for(int i=0;i<t;i++) { if(str[i]!=' ') sum++; } cout<<sum<<endl; return 0; } ```

`` include include include include using namespace std; int main() { string str,t; int n=0,m=0; getline(cin, t); getline(cin, str); n = stoi(t); int size = str.length(); for (int i = 0; i < n; i++) { if (str[i] != ' ')m++; } cout << m; return 0; }

```cpp #include <bits/stdc++.h> using namespace std; int n; string str, strn; int cnt = 0; int main() { getline(cin, strn); n = stoi(strn); getline(cin, str); for (int i = 0; i < n; i++) if (str[i] != ' ' && str[i] != '\n') cnt++; cout << cnt << endl; return 0; } ```