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C++用 -1 mask法達到branchless解Leetcode1513 Number of Substrings With Only 1s|Py3 1-liner 其實很容易，想練功，試試一行解，或是把if分岔拿掉 [C++無分岔解請進]
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請用C/C++ 程式計算 S=1*1+2*2+3*3+4*4+.....+20*20=?
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計算你的BMI
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計算你上學期加權平均
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GCD(123456789,345634567)=?
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算上學期加權平均
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何謂演算法?並列出一無窮迴圈的範例!
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問int怎麼存-689這個數字。 int用4個bytes。 答案請用16進位表達。
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55x+27y=gcd
7 則留言:
#include <iostream>
#include <cstdlib>
#include <string>
#include <fstream>
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include <iostream>
#include <cstdlib>
#include <string>
#include <fstream>
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include
#include
#include
#include
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include
#include
#include
#include
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include
#include
#include
#include
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include
#include
#include
#include
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
#include
#include
#include
#include
using namespace std;
struct student
{
int id;
string name;
int java;
int math;
int cpp;
bool sex;
};
void print(student X, ostream& ff)
{
ff << X.id << "," ;
ff << X.name << ",";
ff << X.java << ",";
ff << X.math << ",";
ff << X.cpp << ",";
ff << X.sex << ",";
ff << "\n";
}
void read(student&X, fstream& ff)
{
ff >> X.id;
ff >> X.name;
ff >> X.java;
ff >> X.math;
ff >> X.cpp;
ff >> X.sex;
}
int main()
{
student Y[10];
fstream ff, fout;
ff.open("test.txt", ios::in);
fout.open("ost.csv", ios::out);
for (int i = 0; i < 10; i++)
{
read(Y[i], ff);
print(Y[i], cout);
print(Y[i],fout);
}
fout.close();
ff.close();
system("Pause");
return 0;
}
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