阅读程序写结果:

#include <iostream>#include <string>using namespace std; int main(){    string s;    char m1, m2;    int i;     getline(cin, s);    m1 = ' ';    m2 = ' ';    for (i = 0; i < s.length(); i++)        if (s[i] > m1) {            m2 = m1;            m1 = s[i];        }        else if (s[i] > m2)            m2 = s[i];    cout<<int(m1)<<' '<<int(m2)<<endl;    return 0;}

输入:Expo 2010 Shanghai China 输出:_________

提示:

字符 空格 '0' 'A' 'a'
ASCII码 32 48 65 97
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