CODE FESTIVAL 2016 Final

Submission #991718

Source codeソースコード

#include <cstdio>
using namespace std;

int main() {
  int N; scanf("%d", &N);
  int lo = 0, hi = N;
  while(hi - lo > 1) {
    int mid = (hi + lo) / 2;
    if((long long)(mid + 1) * mid / 2 >= N) {
      hi = mid;
    } else {
      lo = mid;
    }
  }
  int K = hi;
  int sum = (long long)(K + 1) * K / 2;
  int rem = sum - N;
  for(int i = 1; i <= K; ++i) {
    if(i != rem) {
      printf("%d\n", i);
    }
  }
  return 0;
}

Submission

Task問題 B - Exactly N points
User nameユーザ名 qnighy
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 453 Byte
File nameファイル名
Exec time実行時間 2 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:5:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
int N; 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 2 ms 128 KB
02-02.txt AC 2 ms 128 KB
02-03.txt AC 2 ms 128 KB
02-04.txt AC 2 ms 128 KB
02-05.txt AC 2 ms 128 KB
02-06.txt AC 2 ms 128 KB
02-07.txt AC 1 ms 128 KB
02-08.txt AC 2 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