Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
100126 郝王骏程 字符串中最大的数字 C++ Compile Error 0 MS 0 KB 337 2024-12-02 20:59:44

Tests(0/0):


Code:

#include <iostream> #include <string> #include <algorithm> using namespace std; int main(){ string n; cin >> n; char m = '0'; for (int i = s; i < n.length(); i++) { if (n[i] >= '0' && n[i] <= '9') { m = max(m, n[i]); } } cout << m << endl; return 0; }


Run Info:

Main.cc: In function 'int main()':
Main.cc:9:17: error: 's' was not declared in this scope
    for (int i = s; i < n.length(); i++) { 
                 ^
Main.cc:9:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = s; i < n.length(); i++) { 
                      ^