AtCoder Grand Contest 002

Submission #8521107

Source codeソースコード

#include<bits/stdc++.h>
#define MAXN 100005
#define INF 1000000000
#define MOD 1000000007
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
int N,a[MAXN];
bool candetermine(int x,int y)
{
    return (a[x+1]<y+1);
}
int main()
{
    scanf("%d",&N);
    for(int i=1;i<=N;i++) scanf("%d",&a[i]);
    sort(a+1,a+N+1,greater<int>());
    int id=-1;
    for(int i=1;i<=N;i++)
    {
        if(candetermine(i,i))
        {
            int cnt1=(a[i]-i),cnt2=0;
            for(int j=i+1;j<=N;j++) if(a[j]>=i) cnt2++;
            if(cnt1%2==0&&cnt2%2==0) puts("Second"); else puts("First");
            return 0;
        }
    }
    return 0;
}

Submission

Task問題 E - Candy Piles
User nameユーザ名 Roundgod
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 1400
Source lengthソースコード長 720 Byte
File nameファイル名
Exec time実行時間 17 ms
Memory usageメモリ使用量 640 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&N);
^
./Main.cpp:18:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=N;i++) scanf("%d",&a[i]);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_00.txt,0_01.txt,0_02.txt
All 1400 / 1400 0_00.txt,0_01.txt,0_02.txt,1_00.txt,1_01.txt,1_02.txt,1_03.txt,1_04.txt,1_05.txt,1_06.txt,1_07.txt,1_08.txt,1_09.txt,1_10.txt,1_11.txt,1_12.txt,1_13.txt,1_14.txt,1_15.txt,1_16.txt,1_17.txt,1_18.txt,1_19.txt,1_20.txt,1_21.txt,1_22.txt,1_23.txt,1_24.txt,1_25.txt,1_26.txt,1_27.txt,1_28.txt,1_29.txt,1_30.txt,1_31.txt,1_32.txt,1_33.txt,1_34.txt,1_35.txt,1_36.txt,1_37.txt,1_38.txt,1_39.txt,1_40.txt,1_41.txt,1_42.txt,1_43.txt,1_44.txt,1_45.txt,1_46.txt,1_47.txt,1_48.txt,1_49.txt,1_50.txt,1_51.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 10 ms 640 KB
1_04.txt AC 10 ms 640 KB
1_05.txt AC 10 ms 640 KB
1_06.txt AC 10 ms 640 KB
1_07.txt AC 10 ms 640 KB
1_08.txt AC 10 ms 640 KB
1_09.txt AC 12 ms 640 KB
1_10.txt AC 13 ms 640 KB
1_11.txt AC 14 ms 640 KB
1_12.txt AC 1 ms 256 KB
1_13.txt AC 14 ms 512 KB
1_14.txt AC 8 ms 384 KB
1_15.txt AC 14 ms 512 KB
1_16.txt AC 1 ms 256 KB
1_17.txt AC 17 ms 640 KB
1_18.txt AC 16 ms 640 KB
1_19.txt AC 17 ms 640 KB
1_20.txt AC 17 ms 640 KB
1_21.txt AC 14 ms 512 KB
1_22.txt AC 17 ms 640 KB
1_23.txt AC 5 ms 384 KB
1_24.txt AC 3 ms 256 KB
1_25.txt AC 5 ms 384 KB
1_26.txt AC 2 ms 256 KB
1_27.txt AC 13 ms 512 KB
1_28.txt AC 7 ms 384 KB
1_29.txt AC 3 ms 256 KB
1_30.txt AC 13 ms 512 KB
1_31.txt AC 17 ms 640 KB
1_32.txt AC 7 ms 384 KB
1_33.txt AC 3 ms 256 KB
1_34.txt AC 14 ms 512 KB
1_35.txt AC 4 ms 384 KB
1_36.txt AC 14 ms 512 KB
1_37.txt AC 13 ms 512 KB
1_38.txt AC 16 ms 640 KB
1_39.txt AC 15 ms 640 KB
1_40.txt AC 13 ms 512 KB
1_41.txt AC 2 ms 256 KB
1_42.txt AC 6 ms 384 KB
1_43.txt AC 10 ms 512 KB
1_44.txt AC 1 ms 256 KB
1_45.txt AC 3 ms 256 KB
1_46.txt AC 12 ms 512 KB
1_47.txt AC 15 ms 640 KB
1_48.txt AC 7 ms 384 KB
1_49.txt AC 10 ms 512 KB
1_50.txt AC 7 ms 384 KB
1_51.txt AC 16 ms 640 KB