肚脐在线观看:ACM中常用到的简单文件读写

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ACM中常用到的简单文件读写2008-08-18 11:09

#include
#include
using namespace std;

int main()
{
//freopen("a.txt","w",stdout);
//freopen("b.txt","r",stdin);
//ofstream out("a.txt");
//ifstream in("b.txt");
//int a;
//in>>a;
//out< FILE *out = freopen("a.txt","w",stdout);
FILE *in = freopen("b.txt","r",stdin);
int a;
fscanf(in, "%d", &a);
fprintf(out, "%d", a);
    //system("pause");
    return 0;
}