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54 lines
869 B
54 lines
869 B
3 years ago
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <stdlib.h>
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int main( int argc, char *argv[] ){
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if( argc == 2 ) {
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FILE *fp=fopen(argv[1], "r");
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// This will hold the number of each count
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unsigned int counts[8] = {0};
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// 4 output values, each with a maximum length of 9 (8 + \0)
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while (!feof (fp)){
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char output[4][9] = {0};
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fscanf(fp, "%*[^|]| %s %s %s %s\n", output[0], output[1], output[2], output[3]);
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for ( unsigned int i = 0; i < 4; i++ ){
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counts[strlen(output[i])]++;
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}
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}
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fclose(fp);
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unsigned int sum=0;
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// 1s have a count of 2
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sum+=counts[2];
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// 4s have a count of 4
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sum+=counts[4];
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// 7s have a count of 3
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sum+=counts[3];
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// 8s have a count of 7
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sum+=counts[7];
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printf("Answer: %i\n", sum);
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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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