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55 lines
859 B
55 lines
859 B
3 years ago
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#include <stdio.h>
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int countLines(char filename[]){
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FILE *fp;
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fp=fopen(filename, "r");
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long int lines =0;
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if ( fp == NULL ) {
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return -1;
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}
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while (EOF != (fscanf(fp, "%*[^\n]"), fscanf(fp,"%*c")))
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++lines;
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fclose(fp); // closing file
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return lines;
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}
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int main( int argc, char *argv[] ){
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if( argc == 2 ) {
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// 1 less because file ends with trailing new line
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int lines=countLines(argv[1]);
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int values[lines];
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int line=0;
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FILE *fp=fopen(argv[1], "r");
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int increasing = 0;
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// Read the values into an array
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while (!feof (fp)){
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fscanf(fp, "%d\n", &values[line]);
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if ( (line >= 3) && (values[line] > values[line-3]) ){
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increasing++;
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}
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line++;
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}
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fclose(fp); // closing file
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printf( "Increasing: %d\n", increasing );
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return 0;
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} else {
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printf("You need to provide a file\n");
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return 1;
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}
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}
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