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27 lines
499 B
C
27 lines
499 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#include <time.h>
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#include <error.h>
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#include "head.h"
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int main(int argc, char *argv[])
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{
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char s[SIZE];
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Tree *tree = NULL;
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if (argc < 2)
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{
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printf("no expression\n");
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return 2;
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}
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strcpy(s, argv[1]);
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printf("processing %s\n", s);
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tree = maketree(s, 0, strlen(s) - 1);
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printf("\n tree: \n");
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showtree(tree, 0);
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printf("= %d \n", calculate(tree));
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return 0;
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} |