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- #define _CRT_SECURE_NO_WARNINGS
- #include <stdio.h>
- #include <stdlib.h>
- int modexp(int x, int y, int N) {
- if (y == 0) return 1;
- int z = modexp(x, y / 2, N);
- if (y % 2 == 0)
- return (z*z) % N;
- else
- return (x*z*z) % N;
- }
- int coding(int T, int e, int n)
- {
- return modexp(T, e, n);
- }
- int main()
- {
- system("chcp 1251");
- system("cls");
- int n, e;
- printf("n= ");
- scanf("%d", &n);
- printf("e= ");
- scanf("%d", &e);
- FILE *fp = fopen("file.txt", "w");
- getchar();
- printf("Введите текст сообщения\n");
- unsigned char s[80];
- gets(s);
- for (int i = 0; i < strlen(s); i++)
- {
- int u = coding((int)s[i], e, n);
- printf("%d\n", u);
- fprintf(fp, "%d\n", u);
- }
- fclose(fp);
- printf("Файл данных сформирован\n");
- getchar();
- return 0;
- }
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