#include <stdio.h>
#include <string.h>


int main() 
{        
        FILE *ifp, *ofp; 
        char str[100];
        char *res;
        int w_cnt=0;
        int l_cnt=0;
        int cnt = 0;
    int i, j, len;
        

        ifp=fopen("input.txt", "r"); 
        if(ifp==NULL){
                printf("입력파일 개방 실패.\n"); 
                return 1; 
        } 

        ofp=fopen("output.txt", "w"); 
        if(ofp==NULL){
                printf("출력파일 개방 실패.\n"); 
                return 1; }

        while(1){
                res=fgets(str,sizeof(str),ifp);
                if(res==NULL) break;
                ++l_cnt;
                len=strlen(str)-2;

           for (i=len; i>0; i--, w_cnt++)
                {
                         if (str[i] == ' ')
                         {
            for (j=i+1, w_cnt--; w_cnt>0; j++, w_cnt--)
                fprintf (ofp,"%c", str[j]);
            fputs(" ",ofp);
                        ++cnt;
                        }
        else if (str[i] == str[0])
        {
            for (j=0; j<w_cnt; j++){
                fprintf (ofp,"%c", str[j]);
                        }
                        ++cnt;
                
        }
                 }
    
        }
        printf("%d,%d",cnt,l_cnt);
        fclose(ifp);
        fclose(ofp); 
        return 0;
}



input의 내용받아서 output에다가
단어단위로 끊어서 역순으로 저장하는건데

output.txt에 자꾸 멘붕하게 나옴 ㅠㅠㅠㅠ뭐가문제지