結果

問題 No.1391 ±1 Abs Sum
ユーザー null
提出日時 2021-02-12 23:27:51
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 3,860 bytes
コンパイル時間 7,818 ms
コンパイル使用メモリ 420,184 KB
最終ジャッジ日時 2025-01-18 19:53:33
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2 WA * 1
other AC * 4 WA * 30
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘void scans(std::string&)’:
main.cpp:76:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   76 |         scanf("%c", &c);
      |         ~~~~~^~~~~~~~~~
main.cpp:77:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   77 |         if (c == '\n')scanf("%c", &c);
      |                       ~~~~~^~~~~~~~~~
main.cpp:80:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   80 |                 scanf("%c", &c);
      |                 ~~~~~^~~~~~~~~~
main.cpp: In function ‘void scanc(char&)’:
main.cpp:86:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   86 |         scanf("%c", &c);
      |         ~~~~~^~~~~~~~~~
main.cpp:89:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   89 |                 scanf("%c", &c);
      |                 ~~~~~^~~~~~~~~~
main.cpp: In function ‘int main()’:
main.cpp:141:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  141 |         scanf("%d%d", &n, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~
main.cpp:143:23: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  143 |         rep(i, n)scanf("%lld", &a[i]);
      |                  ~~~~~^~~~~~~~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

/*
!
Be accepted!
_ 
。・ω・。)━☆*
      +.
    °+ *´¨)
  .· ´¸.·*´¨) ¸.·*¨)
          (¸.·´ (¸.·'* ☆
*/
#include <cstdio>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <numeric>
#include <iostream>
#include <random>
#include <map>
#include <unordered_map>
#include <queue>
#include <regex>
#include <functional>
#include <complex>
#include <list>
#include <cassert>
#include <iomanip>
#include <set>
#include <stack>
#include <bitset>
#include <array>
#include <chrono>
//#pragma GCC target("arch=skylake-avx512")
//#pragma GCC target("avx2")
//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse4")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define repeat(i, n, m) for(int i = n; i < (m); ++i)
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define printynl(a) printf(a ? "yes\n" : "no\n")
#define printyn(a) printf(a ? "Yes\n" : "No\n")
#define printYN(a) printf(a ? "YES\n" : "NO\n")
#define printim(a) printf(a ? "possible\n" : "imposible\n")
#define printdb(a) printf("%.50lf\n", a)
#define printLdb(a) printf("%.50Lf\n", a)
#define printdbd(a) printf("%.16lf\n", a)
#define prints(s) printf("%s\n", s.c_str())
#define all(x) (x).begin(), (x).end()
#define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI)
#define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L)
#define Please return
#define AC 0
#define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d))
using ll = long long;
using ull = unsigned long long;
constexpr int INF = 1073741823;
constexpr int MINF = -1073741823;
constexpr ll LINF = ll(4661686018427387903);
constexpr ll MOD = 1e9 + 7;
constexpr ll mod = 998244353;
constexpr long double eps = 1e-6;
const long double PI = acosl(-1.0L);
using namespace std;
void scans(string& str) {
char c;
str = "";
scanf("%c", &c);
if (c == '\n')scanf("%c", &c);
while (c != '\n' && c != -1 && c != ' ') {
str += c;
scanf("%c", &c);
}
}
void scanc(char& str) {
char c;
scanf("%c", &c);
if (c == -1)return;
while (c == '\n') {
scanf("%c", &c);
}
str = c;
}
double acot(double x) {
return PI / 2 - atan(x);
}
ll LSB(ll n) { return (n & (-n)); }
template<typename T>
inline T chmin(T& a, const T& b) {
if (a > b)a = b;
return a;
}
template<typename T>
inline T chmax(T& a, const T& b) {
if (a < b)a = b;
return a;
}
//cpp_int
#if __has_include(<boost/multiprecision/cpp_int.hpp>)
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using namespace boost::multiprecision;
#else
using cpp_int = ll;
#endif
//atcoder library
#if __has_include(<atcoder/all>)
#include <atcoder/all>
//using namespace atcoder;
#endif
/*
random_device seed_gen;
mt19937 engine(seed_gen());
uniform_int_distribution dist(1, 100);
*/
/*----------------------------------------------------------------------------------*/
int main() {
int n, k;
scanf("%d%d", &n, &k);
vector<ll> a(n);
rep(i, n)scanf("%lld", &a[i]);
ll x, sum = 0, ans = LINF, sumk = 0, bsum = 0, bsumk = 0;
int l = 0, r = k;
rep(i, k / 2) {
bsumk += a[i];
}
for (int i = k / 2; i < n; ++i) {
if (i < k)sumk += a[i];
else sum += a[i];
}
while (r <= n) {
if(l + k / 2 < n)chmin(ans, (sumk - bsumk) - (a[l + k / 2] * l - bsum + sum - a[l + k / 2] * (n - r)));
if(k % 2 == 0 and l + k / 2 - 1 >= 0)chmin(ans, (sumk - bsumk) - (a[l + k / 2 - 1] * l - bsum + sum - a[l + k / 2 - 1] * (n - r)));
if (r != n) {
sumk -= a[k / 2 + l];
bsumk += a[k / 2 + l];
bsum += a[l];
bsumk -= a[l];
sum -= a[r];
sumk += a[r];
}
++r, ++l;
}
printf("%lld\n", ans);
Please AC;
}
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