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35 lines
755 B
C
35 lines
755 B
C
2 years ago
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#include <stdio.h>
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#include <float.h>
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#include <string.h>
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#include "utils.h"
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int main() {
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char str[62];
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char byte_str[30];
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char buf[30];
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char result[32];
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double min_score = DBL_MAX;
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double score;
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int n;
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FILE *file = fopen("4.txt", "r");
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while(!feof(file)) {
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fgets(str, 62, file);
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n = scan_bytes(byte_str, str, 30);
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for (unsigned char i = 0; i < 255; ++i) {
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for (int j = 0; j < n; ++j)
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buf[j] = byte_str[j] ^ i;
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score = freq_score(buf, n);
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if (score < min_score) {
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min_score = score;
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strncpy(result, buf, n);
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}
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}
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}
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result[31] = '\0';
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printf("%s", result);
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fclose(file);
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}
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