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| #include <stdio.h>
#define MAX_SIZE 10
int count = 0;
int main (int argc, const char * argv[])
{
return 0;
}
//total 2n+3
float iteration_sum(float list[],int n){
float tempsum = 0;count++; //for assignmnet
int i;
for(i=0;i<n;i++){
count++; //for the for loop
tempsum += list[i]; count++; //for assignment
}
count++; //last execution of for
count++; //for return
return tempsum;
}
//total 2n+2
float recursion_sum(float list[],int n){
count++; //for if condition
if(n){
count++; //for return and rsum invocation
return recursion_sum(list, n-1) + list[n-1];
}
count++;
return list[0];
}
//带计数的矩阵加法
//count 最终将是2rows*cols + 2rows + 1，应将矩阵按列的顺序相加。
void add(int a[][MAX_SIZE],int b[][MAX_SIZE],int c[][MAX_SIZE],int rows,int cols){
int i,j;
for(i=0;i<rows;i++){
count++; //for i for loop
for(j=0;j<cols;j++){
count++; //for j for loop
c[i][j]=a[i][j]+b[i][j];
count++; //for assignment statement
}
count++; //last time of j for loop
}
count++; //last time of i for loop
}
|