CODE FESTIVAL 2016 Final

Submission #992857

Source codeソースコード

#include<cstdio>

using namespace std;

int N;

bool check(int m){
	int sum = 0;
	for(int i = m; i >= 1; --i){
		if(sum + i <= N) sum += i;
	}
	return sum == N;
}

void output(int m){
	int sum = 0;
	for(int i = m; i >= 1; --i){
		if(sum + i <= N){
			printf("%d\n", i);
			sum += i;
		}
	}
}

void solve(){
	int lb = 0, ub = N;
	while(ub - lb > 1){
		int mid = (ub + lb) / 2;
		if(check(mid)){
			ub = mid;
		}else{
			lb = mid;
		}
	}
	output(ub);
}

int main(){
	scanf("%d", &N);
	solve();
	return 0;
}

Submission

Task問題 B - Exactly N points
User nameユーザ名 013_wo01
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 300
Source lengthソースコード長 547 Byte
File nameファイル名
Exec time実行時間 15 ms
Memory usageメモリ使用量 128 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:39:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &N);
^

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt,sample-03.txt
dataset1 200 / 200 sample-01.txt,sample-02.txt,sample-03.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt
dataset2 100 / 100 sample-01.txt,sample-02.txt,sample-03.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt,02-01.txt,02-02.txt,02-03.txt,02-04.txt,02-05.txt,02-06.txt,02-07.txt,02-08.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01-01.txt AC 1 ms 128 KB
01-02.txt AC 1 ms 128 KB
01-03.txt AC 1 ms 128 KB
01-04.txt AC 1 ms 128 KB
01-05.txt AC 1 ms 128 KB
01-06.txt AC 1 ms 128 KB
01-07.txt AC 1 ms 128 KB
01-08.txt AC 1 ms 128 KB
01-09.txt AC 1 ms 128 KB
01-10.txt AC 1 ms 128 KB
02-01.txt AC 15 ms 128 KB
02-02.txt AC 15 ms 128 KB
02-03.txt AC 15 ms 128 KB
02-04.txt AC 15 ms 128 KB
02-05.txt AC 15 ms 128 KB
02-06.txt AC 5 ms 128 KB
02-07.txt AC 3 ms 128 KB
02-08.txt AC 14 ms 128 KB
sample-01.txt AC 1 ms 128 KB
sample-02.txt AC 1 ms 128 KB
sample-03.txt AC 1 ms 128 KB