AtCoder Regular Contest 004

Submission #2666492

Source codeソースコード

#include <iostream>
#include <algorithm>
#include <math.h>
#include <cstdint>
#include <numeric>

using namespace std;

template <typename T>
void red(T &x, T &y){
    T a(max(x, y)), b(min(x, y));
    T c(a % b);
    while (c) {
        a = b;
        b = c;
        c = a % b;
    }
    x /= b;
    y /= b;
}

int main(){
    long long x, y;
    scanf("%lld/%lld", &x, &y);
    red(x, y);
    long long d = y * (y + 1) / 2 - x;
    long long xx(x), yy(y);
    if (d < 0) {
        long long n = static_cast<long long>((2 * x - y) / y / y) + 1;
        xx *= n;
        yy *= n;
    }
    bool ans(false);
    d = yy * (yy + 1) / 2 - xx;
    while (d <= yy) {
        if (d > 0) {
            printf("%lld %lld\n", yy, d);
            ans = true;
        }
        xx += x;
        yy += y;
        d = yy * (yy + 1) / 2 - xx;
    }
    if (!ans) {
        printf("Impossible\n");
    }
}

Submission

Task問題 C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi )
User nameユーザ名 taku0728
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 935 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 256 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld/%lld", &x, &y);
^

Test case

Set

Set name Score得点 / Max score Cases
All 100 / 100 00_killer.txt,00_max.txt,00_min.txt,00_min2.txt,00_sample_01.txt,00_sample_02.txt,00_sample_03.txt,00_sample_04.txt,01_rnd_00.txt,01_rnd_01.txt,01_rnd_02.txt,01_rnd_03.txt,01_rnd_04.txt,01_rnd_05.txt,01_rnd_06.txt,01_rnd_07.txt,01_rnd_08.txt,01_rnd_09.txt,01_rnd_10.txt,01_rnd_11.txt,01_rnd_12.txt,01_rnd_13.txt,01_rnd_14.txt,01_rnd_15.txt,01_rnd_16.txt,01_rnd_17.txt,01_rnd_18.txt,01_rnd_19.txt,02_rnd2_00.txt,02_rnd2_01.txt,02_rnd2_02.txt,02_rnd2_03.txt,02_rnd2_04.txt,02_rnd2_05.txt,02_rnd2_06.txt,02_rnd2_07.txt,02_rnd2_08.txt,02_rnd2_09.txt,02_rnd2_10.txt,02_rnd2_11.txt,02_rnd2_12.txt,02_rnd2_13.txt,02_rnd2_14.txt,02_rnd2_15.txt,02_rnd2_16.txt,02_rnd2_17.txt,02_rnd2_18.txt,02_rnd2_19.txt,03_smallrnd_00.txt,03_smallrnd_01.txt,03_smallrnd_02.txt,03_smallrnd_03.txt,03_smallrnd_04.txt,03_smallrnd_05.txt,03_smallrnd_06.txt,03_smallrnd_07.txt,03_smallrnd_08.txt,03_smallrnd_09.txt,04_primes_01.txt,04_primes_02.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_killer.txt AC 1 ms 256 KB
00_max.txt AC 1 ms 256 KB
00_min.txt AC 1 ms 256 KB
00_min2.txt AC 1 ms 256 KB
00_sample_01.txt AC 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 1 ms 256 KB
01_rnd_00.txt AC 1 ms 256 KB
01_rnd_01.txt AC 1 ms 256 KB
01_rnd_02.txt AC 1 ms 256 KB
01_rnd_03.txt AC 1 ms 256 KB
01_rnd_04.txt AC 1 ms 256 KB
01_rnd_05.txt AC 1 ms 256 KB
01_rnd_06.txt AC 1 ms 256 KB
01_rnd_07.txt AC 1 ms 256 KB
01_rnd_08.txt AC 1 ms 256 KB
01_rnd_09.txt AC 1 ms 256 KB
01_rnd_10.txt AC 1 ms 256 KB
01_rnd_11.txt AC 1 ms 256 KB
01_rnd_12.txt AC 1 ms 256 KB
01_rnd_13.txt AC 1 ms 256 KB
01_rnd_14.txt AC 1 ms 256 KB
01_rnd_15.txt AC 1 ms 256 KB
01_rnd_16.txt AC 1 ms 256 KB
01_rnd_17.txt AC 1 ms 256 KB
01_rnd_18.txt AC 1 ms 256 KB
01_rnd_19.txt AC 1 ms 256 KB
02_rnd2_00.txt AC 1 ms 256 KB
02_rnd2_01.txt AC 1 ms 256 KB
02_rnd2_02.txt AC 1 ms 256 KB
02_rnd2_03.txt AC 1 ms 256 KB
02_rnd2_04.txt AC 1 ms 256 KB
02_rnd2_05.txt AC 1 ms 256 KB
02_rnd2_06.txt AC 1 ms 256 KB
02_rnd2_07.txt AC 1 ms 256 KB
02_rnd2_08.txt AC 1 ms 256 KB
02_rnd2_09.txt AC 1 ms 256 KB
02_rnd2_10.txt AC 1 ms 256 KB
02_rnd2_11.txt AC 1 ms 256 KB
02_rnd2_12.txt AC 1 ms 256 KB
02_rnd2_13.txt AC 1 ms 256 KB
02_rnd2_14.txt AC 1 ms 256 KB
02_rnd2_15.txt AC 1 ms 256 KB
02_rnd2_16.txt AC 1 ms 256 KB
02_rnd2_17.txt AC 1 ms 256 KB
02_rnd2_18.txt AC 1 ms 256 KB
02_rnd2_19.txt AC 1 ms 256 KB
03_smallrnd_00.txt AC 1 ms 256 KB
03_smallrnd_01.txt AC 1 ms 256 KB
03_smallrnd_02.txt AC 1 ms 256 KB
03_smallrnd_03.txt AC 1 ms 256 KB
03_smallrnd_04.txt AC 1 ms 256 KB
03_smallrnd_05.txt AC 1 ms 256 KB
03_smallrnd_06.txt AC 1 ms 256 KB
03_smallrnd_07.txt AC 1 ms 256 KB
03_smallrnd_08.txt AC 1 ms 256 KB
03_smallrnd_09.txt AC 1 ms 256 KB
04_primes_01.txt AC 1 ms 256 KB
04_primes_02.txt AC 1 ms 256 KB