6

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
#define L 80

struct credit{
    int ID;
    char *surname;
    char *name;
    double summ;
    int percent;
};

void credinput(struct credit *lis,int *count){
    struct credit *p;
    char buff[L],buff1[L];
    p = &lis[*count];
    (p->ID)=*count;
    *count +=1;
    printf("type surname:");getchar();
    fgets(buff,sizeof(buff),stdin);
    buff[strlen(buff)-1] = '\0';
    p->surname =(char*) malloc (strlen(buff)+1);
    strcpy(p->surname,buff);
    printf("type name:");
    fgets(buff,sizeof(buff),stdin);
    buff[strlen(buff)-1] = '\0';
    p->name =(char*) malloc (strlen(buff)+1);
    strcpy(p->name,buff);
    printf("summ of credit:");
    scanf("%lf",&(p->summ));
    printf("and percent:");
    scanf("%d",&(p->percent));
    printf("%d\n",p->ID);getchar();
}

void printcredit(struct credit *lis, int n){
    struct credit *p;
    printf("ID            surname                name             percent                summ\n");
    printf("----------------------------------------------------------------------------------\n");
     for(int i = 0; i<n;i++){
        p = &lis[i];
        printf("%d%20s%20s%20d%20.3lf\n",p->ID,p->surname,p->name,p->percent,p->summ);
    }
    printf("----------------------------------------------------------------------------------\n");
}

double namesearch(struct credit *lis,char n1[L],char n2[L],int count){
    struct credit *p;
    double sun=0;
    for(int i = 0;i<count;i++){
        p = &lis[i];
        if((strcmp(p->name,n1)==0)&&((strcmp(p->surname,n2)==0))){
            sun += p->summ;
        }
    }
    return sun;
}

struct credit *percentsearch(struct credit *lis,int per,int count,int *newcount){
    struct credit *otv,*p;
    int i;
    otv = (struct credit*)calloc(sizeof(struct credit),count);
    for(i = 0;i < count;i++){
        p = &lis[i];
        if(p->percent==per){
            otv[*newcount] = *p;
            *newcount+=1;
        }
    }
    return otv;
}

int main(){
    struct credit *mlist,*otv = NULL;
    int idcount=0,n,newc=0;
    char y,imya[L],familia[L];
    double sum;
    printf("type max number of credits:\n");
    scanf("%d",&n);
    mlist = (struct credit*)calloc(sizeof(struct credit),n);
    do{
        credinput(mlist,&idcount);
        scanf("%c",&y);
    }while(y == 'y');
    printf("%d\n",idcount);
    sum = namesearch(mlist,mlist[0].name,mlist[0].surname,idcount);
    printf("%.3lf\n",sum);
    otv = percentsearch(mlist,2,idcount,&newc);
    printcredit(otv,newc);
    free(mlist);
    free(otv);
}