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

int main(void)
{
    char buf[1024];  int n[4] = { 0 }, i = 0;

    while (fgets(buf, sizeof buf, stdin))
        if (strstr(buf, "登録データ")) i = 1;
        else if (strstr(buf, "変更データ")) i = 2;
        else if (strstr(buf, "削除データ")) i = 3;
        else if (isalnum(*buf & 0xFF)) n[i]++;
    printf("登録,変更,削除\nA処理: %d件, %d件, %d件\n", n[1], n[2], n[3]);
    return 0;
}

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

int main(void)
{
    char buf[1024];  int n[3] = { 0 };

    while (fgets(buf, sizeof buf, stdin))
        if (strstr(buf, "登録ユーザ 番号")) n[0]++;
        else if (strstr(buf, "変更ユーザ 番号")) n[1]++;
        else if (strstr(buf, "削除ユーザ 番号")) n[2]++;
    printf("登録,変更,削除\nB処理: %d件, %d件, %d件\n", n[0], n[1], n[2]);
    return 0;
}

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

main()
{
    char buf[1024];
    char str[64];
    char title[64];
    char w_title[64];
    char fmt[10];
    char header[64];
    char *p;
    int n[4] = { 0 };
    int m[4] = { 0 };
    int i = 0;
    int j = 0;
    int flg = 0;
    int f_tyuui = 0;

    while (fgets(buf,sizeof buf,stdin)) {
        memset(title,'\0',sizeof title) ;
        if (sscanf(buf,"---- %[^-]s", str) == 1) {
            if (str[0] >= 0x30 && str[0] <= 0x39) {
                continue;
            }
            if (i > 5) {
                p=strtok(str," ");
                strcat(title,p);
                for(j=0; j<2; j++) {
                    p=strtok(0," ");
                    strcat(title," ");
                    strcat(title,p);
                }
            } else {
                sscanf(str,"%s",title);
            }

            if (strncmp(w_title,title,strlen(title)) != 0 && flg == 1) {
                printf("登録,変更,削除\n%s: %d件(%d), %d件(%d), %d件(%d)\n",w_title,n[0],m[0],n[1],m[1],n[2],m[2]);
                n[0] = n[1] = n[2] = n[3] = 0;
                m[0] = m[1] = m[2] = m[3] = 0;
            }

            while(fgets(buf,sizeof buf,stdin)) {
                if (buf[0] == 0x0A) {
                    break;
                }

                if (strstr(buf, "注意"))  f_tyuui = 1;

                if (strstr(buf, "登録ユーザ 番号")) {
                    if (f_tyuui == 1) m[0]++;
                    else n[0]++;
                    f_tyuui = 0;
                } else if (strstr(buf, "変更ユーザ 番号")) {
                    if (f_tyuui == 1) m[1]++;
                    else n[1]++;
                    f_tyuui = 0;
                } else if (strstr(buf, "削除ユーザ 番号")) {
                    if (f_tyuui == 1) m[2]++;
                    else n[2]++;
                    f_tyuui = 0;
                }
            }
            strncpy(w_title,title,strlen(title));
            flg = 1;
            i++;
        }
    }

    printf("登録,変更,削除\n%s: %d件(%d), %d件(%d), %d件(%d)\n",title,n[0],m[0],n[1],m[1],n[2],m[2]);
}