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44 lines
824 B
44 lines
824 B
3 years ago
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#include <stdio.h>
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#include <string.h>
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int main( int argc, char *argv[] ){
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if( argc == 2 ) {
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unsigned int horizontal = 0;
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unsigned int depth = 0;
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unsigned int aim = 0;
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FILE *fp=fopen(argv[1], "r");
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while (!feof (fp)){
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char direction[7] = "";
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int amount = 0;
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fscanf(fp, "%s %d\n", direction, &amount);
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if ( strcmp(direction,"forward") == 0 ){
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horizontal+=amount;
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depth+=(aim*amount);
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} else if ( strcmp(direction,"down") == 0 )
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aim+=amount;
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else if ( strcmp(direction,"up") == 0 )
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aim-=amount;
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else
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printf("Hopefully we don't get here\n");
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}
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printf("Horizontal: %d\n", horizontal);
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printf("Depth: %d\n", depth);
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printf("Product: %d\n", horizontal * depth);
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fclose(fp);
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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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