Submission #1801286


Source Code Expand

//set many funcs template
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<stdbool.h>
#define inf 1072114514
#define llinf 4154118101919364364
#define mod 1000000007
#define pi 3.1415926535897932384

int max(int a,int b){if(a>b){return a;}return b;}
int min(int a,int b){if(a<b){return a;}return b;}
int zt(int a,int b){return max(a,b)-min(a,b);}
int round(int a,int b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}
int ceil(int a,int b){if(a%b==0){return a/b;}return (a/b)+1;}
int gcd(int a,int b){int c;while(b!=0){c=a%b;a=b;b=c;}return a;}
int lcm(int a,int b){int c=gcd(a,b);a/=c;return a*b;}
int nCr(int a,int b){int i,r=1;for(i=1;i<=b;i++){r*=(a+1-i);r/=i;}return r;}
int fact(int a){int i,r=1;for(i=1;i<=a;i++){r*=i;}return r;}
int pow(int a,int b){int i,r=1;for(i=1;i<=b;i++){r*=a;}return r;}
long long llmax(long long a,long long b){if(a>b){return a;}return b;}
long long llmin(long long a,long long b){if(a<b){return a;}return b;}
long long llzt(long long a,long long b){return llmax(a,b)-llmin(a,b);}
long long llround(long long a,long long b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}
long long llceil(long long a,long long b){if(a%b==0){return a/b;}return (a/b)+1;}
long long llgcd(long long a,long long b){long long c;while(b!=0){c=a%b;a=b;b=c;}return a;}
long long lllcm(long long a,long long b){long long c=llgcd(a,b);a/=c;return a*b;}
long long llnCr(long long a,long long b){long long i,r=1;for(i=1;i<=b;i++){r*=(a+1-i);r/=i;}return r;}
long long llfact(long long a){long long i,r=1;for(i=1;i<=a;i++){r*=i;}return r;}
long long llpow(long long a,long long b){long long i,r=1;for(i=1;i<=b;i++){r*=a;}return r;}
double dbmax(double a,double b){if(a>b){return a;}return b;}
double dbmin(double a,double b){if(a<b){return a;}return b;}
double dbzt(double a,double b){return dbmax(a,b)-dbmin(a,b);}
int sortfncsj(const void *a,const void *b){if(*(int *)a>*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}
int sortfnckj(const void *a,const void *b){if(*(int *)a<*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}
int llsortfncsj(const void *a,const void *b){if(*(long long *)a>*(long long *)b){return 1;}if(*(long long *)a==*(long long *)b){return 0;}return -1;}
int llsortfnckj(const void *a,const void *b){if(*(long long *)a<*(long long *)b){return 1;}if(*(long long *)a==*(long long *)b){return 0;}return -1;}
int dbsortfncsj(const void *a,const void *b){if(*(double *)a>*(double *)b){return 1;}if(*(double *)a==*(double *)b){return 0;}return -1;}
int dbsortfnckj(const void *a,const void *b){if(*(double *)a<*(double *)b){return 1;}if(*(double *)a==*(double *)b){return 0;}return -1;}

int main(void){
    int i,n,a[131072],r=1,st;
    scanf("%d",&n);
    for(i=1;i<=n;i++){scanf("%d",&a[i]);}
    st=0;
    for(i=2;i<=n;i++){
        if(a[i-1]<a[i]){
            if(st==0){st=1;}
            if(st==-1){st=0;r++;}
        }
        if(a[i-1]>a[i]){
            if(st==0){st=-1;}
            if(st==1){st=0;r++;}
        }
    }
    printf("%d\n",r);
    return 0;
}

Submission Info

Submission Time
Task A - Sorted Arrays
User physics0523
Language C (GCC 5.4.1)
Score 300
Code Size 3094 Byte
Status AC
Exec Time 13 ms
Memory 512 KB

Compile Error

./Main.c:14:5: warning: conflicting types for built-in function ‘round’
 int round(int a,int b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}
     ^
./Main.c:15:5: warning: conflicting types for built-in function ‘ceil’
 int ceil(int a,int b){if(a%b==0){return a/b;}return (a/b)+1;}
     ^
./Main.c:20:5: warning: conflicting types for built-in function ‘pow’
 int pow(int a,int b){int i,r=1;for(i=1;i<=b;i++){r*=a;}return r;}
     ^
./Main.c:24:11: warning: conflicting types for built-in function ‘llround’
 long long llround(long long a,long long b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}
           ^
./Main.c: In function ‘main’:
./Main.c:43:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ^
./Main.c:44:23: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++){scanf("%d",&a[i]);}
                       ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 17
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt
Case Name Status Exec Time Memory
sample_01.txt AC 0 ms 128 KB
sample_02.txt AC 0 ms 128 KB
sample_03.txt AC 0 ms 128 KB
subtask_1_01.txt AC 9 ms 384 KB
subtask_1_02.txt AC 6 ms 384 KB
subtask_1_03.txt AC 4 ms 256 KB
subtask_1_04.txt AC 13 ms 512 KB
subtask_1_05.txt AC 13 ms 512 KB
subtask_1_06.txt AC 13 ms 512 KB
subtask_1_07.txt AC 13 ms 512 KB
subtask_1_08.txt AC 13 ms 512 KB
subtask_1_09.txt AC 13 ms 512 KB
subtask_1_10.txt AC 0 ms 128 KB
subtask_1_11.txt AC 1 ms 128 KB