首字母大写 题解:
#include<bits/stdc++.h>
using namespace std;
int main()
{
string str;
while (getline(cin, str))
{
int flag = 0;
for (int i = 0; i < str.size(); i++)
{
if (flag == 0 && isspace(str[i])==false)
{
if (str[i] >= 97 && str[i] <= 122)
{
str[i] = str[i] - 32;
}
flag = 1;...
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