稀疏矩阵运算器加法和减法运算（三元组）

#include <stdio.h>
#include <stdlib.h>
#define MAX 100 
#define TRUE 1
#define FAULT 0

 struct Triple
 {
   int i,j; 
   int  e; 
 };
 struct TSMatrix
 {
    struct Triple data[MAX+1];
    int rpos[MAX+1];
   int mv,nv,tv; 
 };
 int CreateSMatrix(struct TSMatrix *M)
 { 
   int i,m,n;
   int e;
   int k;
   printf("                请输入矩阵的行数：");
   scanf("%d",&M->mv);
   printf("                请输入矩阵的列数：");
   scanf("%d",&M->nv);
   printf("                请输入矩阵的非零元素个数：");
   scanf("%d",&M->tv);
  M->data[0].i=0; 

 for(i=1;i<=M->tv;i++)
   {
     do
     {
       printf("                请按行序顺序输入第%d个非零元素所在的行(1～%d)：",i,M->mv);
    scanf("%d",&m);
     printf("                请按行序顺序输入第%d个非零元素所在的列(1～%d)：",i,M->nv);
  scanf("%d",&n);
   
   printf("                请按行序顺序输入第%d个非零元素的值:",i,M->tv);

        scanf("%d",&e);
  printf("\n");
   k=0;
       if(m<1||m>M->mv||n<1||n>M->nv) 
         k=1;
       if(m<M->data[i-1].i||m==M->data[i-1].i&&n<=M->data[i-1].j) 
         k=1;
     }while(k);
     M->data[i].i=m;
     M->data[i].j=n;
     M->data[i].e=e;
   }
   return TRUE;
 }
  void DestroySMatrix(struct TSMatrix *M)
 { 
   M->mv=0;
   M->nv=0;
   M->tv=0;