Submission #230428

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>

typedef struct data{
    long c;
    int num;
    struct data *next;
} cell;

void addcell(cell* bp,long c){
    cell* p;
    p=(cell*)malloc(sizeof(cell));
    p->c=c;
    p->num=bp->num;
    p->next=bp->next;
    bp->next=p;
}

void delcell(cell* p){
    cell* np=p->next->next;
    free((void*)p->next);
    p->next=np;
}


int main(int argc, const char * argv[]) {
    int n;
    scanf("%d",&n);
    cell *h;
    h=(cell*)malloc(sizeof(cell));
    h->c=0;
    h->num=0;
    h->next=NULL;
    
    for (int i=0; i<n; i++) {
        long a,b;
        cell* p=h;
        scanf("%ld %ld",&a,&b);
        if (a!=0) {
            while (p!=NULL) {
                if (p->next==NULL) {
                    addcell(p,a);
                    if (p->num==p->next->num+1) {
                        delcell(p);
                    }
                    break;
                }else if (p->next->c>a){
                    addcell(p,a);
                    if (p->num==p->next->num+1) {
                        delcell(p);
                    }
                    break;
                }
                else if (p->next->c==a){
                    
                    break;
                }
                p=p->next;
            }
        }
        
        
        p=p->next;
        
        while (p!=NULL) {
            p->num++;
            if (p->next==NULL) {
                addcell(p,b+1);
                p->next->num--;
                if (p->num==p->next->num) {
                    delcell(p);
                }
                break;
            }else if (p->next->c>b+1){
                addcell(p,b+1);
                p->next->num--;
                if (p->num==p->next->num) {
                    delcell(p);
                }
                break;
            }
            else if (p->next->c==b+1){
                break;
            }
            p=p->next;
        }
        
        
    }
    
    cell* p=h;
    long count=0;
    while (p!=NULL) {
        if (p->num>count) {
            count=p->num;
        }
        p=p->next;
    }
    
    printf("%ld\n",count);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, const char**)’:
./Main.cpp:28:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:38:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result