int main() { int matrix[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; // 定义一个3x3的矩阵 int sum = 0; // 计算主对角线元素之和 for (int i = 0; i < 3; i++) { sum += matrix[i][i];} printf("对角线元素之和为：%d", sum); // 输出结...
include<stdio.h> int main(){ int a[3][3],sum=0;int i,j;for(i=0;i<3;i++)for(j=0;j<3;j++)scanf("%d",&a[i][j]);for(i=0;i<3;i++)for(j=0;j<3;j++)if(i==j||(i+j==2))sum=sum+a[i][j];printf("sum=%d\n",sum);return 0;} 运行效果：...
int matrix[3][3], transpose[3][3]; printf("Enter the elements of a 3x3 matrix:\n"); for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { scanf("%d", &matrix[i][j]); } } for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++...
3. Portable C language is also popular because of its portability. C language code can be compiled and executed on different platforms without much changes required. So if you want to run a program on different platforms, C language should be your choice. ...
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Matrix3 Matrix3 建構函式 欄位 身分識別 R0C0 R0C1 R0C2 R1C0 R1C1 R1C2 R2C0 R2C1 R2C2 零個 屬性 方法 運算子 Matrix4 Matrix4d NMatrix2 NMatrix3 NMatrix4 NMatrix4d NMatrix4x3 NVector3 NVector3d 四元數 四元數 工具組 Vector2 Vector2d Vector2h Vector2i Vector3 Vector3d Vector3...
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Share MAT-File Applications MATLAB requires shared library files for building a MAT-file application. Related Information C Matrix API Why did you choose this rating?Submit How useful was this information? Unrated1 star2 stars3 stars4 stars5 stars...
The standard requires that if the use of a placement new looks up a corresponding delete function and finds a usual deallocation function, the program is ill-formed. For example, suppose your code defines both a placement new and a placement delete: C++ Copy void * operator new(std::size...