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c++ - "' x' 的问题未在此范围内声明”

转载 作者:行者123 更新时间:2023-11-27 22:36:43 25 4
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我试图编写一个简单的代码来尝试求解矩阵,但遇到了一个错误。很明显,我只是在做一些愚蠢的事情,所以我希望你能来救援!每当我运行代码并输入值时,它都会返回 'x' was not declared in this scope。有什么想法吗?

#include <iostream>
using namespace std;

int main() {

// Row 1
cout << "Please input the first row, first column (R1:C1)" << endl;
int R1C1;
cin >> R1C1;
cout << "Please input the first row, second column (R1:C2)" << endl;
int R1C2;
cin >> R1C2;
cout << "Please input the first row, third column (R1:C3)" << endl;
int R1C3;
cin >> R1C3;
cout << "Please input the first row, fourth column (R1:C4)" << endl;
int R1C4;
cin >> R1C4;

// Row 2
cout << "Please input the second row, first column (R2:C1)" << endl;
int R2C1;
cin >> R2C1;
cout << "Please input the second row, second column (R2:C2)" << endl;
int R2C2;
cin >> R2C2;
cout << "Please input the second row, third column (R2:C3)" << endl;
int R2C3;
cin >> R2C3;
cout << "Please input the second row, fourth column (R2:C4)" << endl;
int R2C4;
cin >> R2C4;

// Row 3
cout << "Please input the third row, first column (R3:C1)" << endl;
int R3C1;
cin >> R3C1;
cout << "Please input the third row, second column (R3:C2)" << endl;
int R3C2;
cin >> R3C2;
cout << "Please input the third row, third column (R3:C3)" << endl;
int R3C3;
cin >> R3C3;
cout << "Please input the third row, fourth column (R2:C4)" << endl;
int R3C4;
cin >> R3C4;

if (R1C1 > 1)
int x = R1C1 * (1/R1C1);
cout << x;
return 0;
}

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