gistfile1.c

#include <stdio.h>

int perevod(char *s)
{
	int code[256];
	int i = 0;
	int N = 0;
	for (i = 0;i < 256; i ++) {
		code[i] = 0;
	}
	code['X'] = 10;
	code['I'] = 1;
	code['V'] = 5;
	code['L'] = 50;
	code['C'] = 100;
	while(*s != 0) {
		if ((*s == 'I') && ((*(s + 1) = 'X') || (*(s + 1) == 'V'))) {
		N = N + (code[*(s + 1)] - code[*s]);
		s = s + 2;
		} else {
		N = N + code[*s];
		s = s + 1;
		}
	}
	return(N);
}

int main()
{
	char ch[50];
	int N;
	scanf("%s", ch);
	printf("chislo = %s\n", ch);
	N = perevod(ch);
	printf("%d",N);
}