CODE FESTIVAL 2016 Final

Submission #5419614

Source codeソースコード

#include<stdio.h>
#include<stdlib.h>
#include<stdint.h>
#include<inttypes.h>

typedef int32_t i32;
typedef int64_t i64;

#define MIN(a,b) ((a) < (b) ? (a) : (b))

i64 calc (i64 n, i64 a, i64 *dp) {
  if (dp[n] <= n) return dp[n];
  i64 min = n;
  for (i64 i = 2; i * i <= n; ++i) {
    i64 d = i;
    if ((n + d - 1) / d < n) min = MIN(min, d + a + calc ((n + d - 1) / d, a, dp));
    d = (n + i - 1) / i;
    min = MIN(min, d + a + calc (i, a, dp));
  }
  dp[n] = min;
  return min;
}

void run (void) {
  i64 n, a;
  scanf ("%" SCNi64 "%" SCNi64, &n, &a);
  const i32 m = 1000000;
  if (!(n <= m && a <= m)) exit (1);
  i64 *dp = (i64 *) calloc (n + 1, sizeof (i64));
  for (i32 i = 1; i <= n; ++i) dp[i] = i + 1;
  i64 ans = calc (n, a, dp);
  printf ("%" PRIi64 "\n", ans);
}

int main (void) {
  run();
  return 0;
}

Submission

Task問題 E - Cookies
User nameユーザ名 sansen
Created time投稿日時
Language言語 C (GCC 5.4.1)
Status状態 RE
Score得点 500
Source lengthソースコード長 860 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Compiler messageコンパイルメッセージ

./Main.c: In function ‘run’:
./Main.c:26:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
scanf ("%" SCNi64 "%" SCNi64, &n, &a);
^

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt,sample-03.txt
dataset1 500 / 500 sample-01.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,01-11.txt,01-12.txt,01-13.txt,01-14.txt,01-15.txt,01-16.txt,01-17.txt,01-18.txt,01-19.txt,01-20.txt,01-21.txt,01-22.txt,01-23.txt,01-24.txt,01-25.txt,01-26.txt
dataset2 0 / 500 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,01-11.txt,01-12.txt,01-13.txt,01-14.txt,01-15.txt,01-16.txt,01-17.txt,01-18.txt,01-19.txt,01-20.txt,01-21.txt,01-22.txt,01-23.txt,01-24.txt,01-25.txt,01-26.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,02-09.txt,02-10.txt,02-11.txt,02-12.txt,02-13.txt,02-14.txt,02-15.txt,02-16.txt,02-17.txt,02-18.txt,02-19.txt,02-20.txt,02-21.txt,02-22.txt,02-23.txt,02-24.txt,02-25.txt,02-26.txt,02-27.txt,02-28.txt,02-29.txt,02-30.txt,02-31.txt,02-32.txt,02-33.txt,02-34.txt,02-35.txt,02-36.txt,02-37.txt,02-38.txt,02-39.txt,02-40.txt,sample-01.txt,sample-02.txt,sample-03.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 5 ms 7936 KB
01-02.txt AC 5 ms 7936 KB
01-03.txt AC 5 ms 7936 KB
01-04.txt AC 5 ms 7936 KB
01-05.txt AC 5 ms 7936 KB
01-06.txt AC 5 ms 7936 KB
01-07.txt AC 5 ms 7936 KB
01-08.txt AC 5 ms 7936 KB
01-09.txt AC 5 ms 7936 KB
01-10.txt AC 5 ms 7936 KB
01-11.txt AC 5 ms 7936 KB
01-12.txt AC 5 ms 7936 KB
01-13.txt AC 5 ms 7936 KB
01-14.txt AC 1 ms 640 KB
01-15.txt AC 3 ms 4224 KB
01-16.txt AC 3 ms 4224 KB
01-17.txt AC 5 ms 7936 KB
01-18.txt AC 1 ms 128 KB
01-19.txt AC 1 ms 128 KB
01-20.txt AC 1 ms 128 KB
01-21.txt AC 1 ms 128 KB
01-22.txt AC 1 ms 128 KB
01-23.txt AC 1 ms 128 KB
01-24.txt AC 1 ms 128 KB
01-25.txt AC 1 ms 128 KB
01-26.txt AC 1 ms 128 KB
02-01.txt RE
02-02.txt RE
02-03.txt RE
02-04.txt RE
02-05.txt RE
02-06.txt RE
02-07.txt RE
02-08.txt RE
02-09.txt RE
02-10.txt RE
02-11.txt RE
02-12.txt RE
02-13.txt RE
02-14.txt RE
02-15.txt RE
02-16.txt RE
02-17.txt RE
02-18.txt RE
02-19.txt RE
02-20.txt RE
02-21.txt RE
02-22.txt RE
02-23.txt RE
02-24.txt RE
02-25.txt RE
02-26.txt RE
02-27.txt RE
02-28.txt RE
02-29.txt RE
02-30.txt RE
02-31.txt RE
02-32.txt RE
02-33.txt RE
02-34.txt RE
02-35.txt RE
02-36.txt RE
02-37.txt RE
02-38.txt RE
02-39.txt RE
02-40.txt RE
sample-01.txt AC 1 ms 128 KB
sample-02.txt RE
sample-03.txt AC 1 ms 1152 KB