IEEExtreme Coding Competition 7.0

We attended International IEEExtreme Coding Competition 7.0 . Today I write the code that we write in competition Problem_Aj. That problem mainly easy but it has some tricky points :) 


Here is the code :

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int main() {
    int i,num,*p,v=0;
    //printf("Enter the piece value\n");
    scanf("%d",&num);
    p=(int*)malloc(num*sizeof(int));
    //printf("Enter the slope value\n");
    for(i=0;i<num;i++)
    {
        scanf("%d",&p[i]);
        printf(" ");
    }
    for(i=0;i<num;i++)
    {
        v+=p[i];
        if(v<0)
        {
            v=0;
        }
    }
    printf("%d\n",v);
    return 0;
}