d098. Stringstream運用練習(C++) -- 說明文件出自C++ Reference | From: [61.31.174.96] | 發表日期 : 2012-12-14 21:15

#include<iostream>

#include<cstring>

#include<cctype>

#include<sstream>

using namespace std;

int main()

{

string s;

int ans, temp, i;

bool test=1;

while(getline(cin,s))

{

ans=0;

for(i=0;i<s.size();i++)

{

stringstream ss;//ss遇到非數字輸入時會壞掉 

test=1;

while(s[i]==' ') i++;

while(s[i]!=' ')

{

if(isalpha(s[i])) {test=0;}

else if(s[i]=='\0') {break;}

else ss<<s[i];

i++;

}

if(test) {ss>>temp; ans+=temp;}

ss.clear();

while(s[i]==' ') i++;

i--;

}

cout<<ans<<endl;

}

return 0;

}

 

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