fe4d09f7fa
new file: assignment1/assignment1_reading_sample.cpp new file: assignment1/assignment1_reading_sample_iostream.cpp new file: assignment1/matrix1.txt
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
//159201 assignment 1 skeleton
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//You need to add your own AddNode and PrintLL functions, as well as an AddMatrices function
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//
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#include <stdio.h>
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#include <stdlib.h>
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struct Node { //declaration
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int row;
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int column;
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int value;
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Node *next;
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};
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Node *A, *B; //declaration
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void read_matrix(Node* &a, char *file_name){
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//reads a matrix from a file
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int col = 0, row = 0, value = 0;
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FILE *input = NULL;
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input = fopen(file_name, "r");
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if(input == NULL){
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printf("Cannot open file %s. Exiting.\n", file_name);
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exit(0);
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}
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//reads the matrix dimensions from the first line
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fscanf(input, "%d %d", &row, &col);
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//read matrix
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for(int i = 0; i < row; ++i){
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for(int j = 0; j < col; ++j){
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//reads each value from this row (second line onwards)
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fscanf(input, "%d", &value);
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if(value == 0) continue;
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//
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//Include your own add_node(a, i, j, value); function here
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//
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//The next line is for debbuging, it can be commented later
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printf("Element at (%d %d) is different than zero and it is: %d ",i,j,value);
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}
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//the next line is for debbuging purposes, it can be commented out later
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printf("\n");
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}
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fclose(input);
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}
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int main( int argc, char** argv ) {
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if(argc!=3) {printf("needs two matrices \n"); exit(0);}
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read_matrix(A, argv[1]);
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read_matrix(B, argv[2]);
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}
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