比赛 2025.12.13 评测结果 AAAAAAAAAAAAATTTTTTT
题目名称 排列变换 最终得分 65
用户昵称 LikableP 运行时间 8.017 s
代码语言 C++ 内存使用 2.44 MiB
提交时间 2025-12-13 11:12:32
显示代码纯文本
#include <cstdio>
#include <cctype>

template <typename T> T read() {
  T res = 0, f = 1;
  char ch = getchar();
  for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1;
  for (; isdigit(ch); ch = getchar()) res = (res << 3) + (res << 1) + (ch ^ 48);
  return res * f;
}

void write(__int128 x, char ed = '\n') {
  if (x < 0) x = -x, putchar('-');
  static int sta[64], top = 0;
  do {
    sta[++top] = x % 10;
    x /= 10;
  } while (x);
  while (top) {
    putchar(sta[top--] ^ 48);
  }
  putchar(ed);
}

template <typename T> void write(T x, char ed = '\n') {
  write((__int128)x, ed);
}

const int MAXN = 1e6 + 10;

int n;
int a[MAXN];
bool special = true;
int ans, mv;

int main(int argc, char **argv) {
  #ifdef LOCAL
    freopen("!input.in", "r", stdin);
    freopen("!output.out", "w", stdout);
  #elif defined(FS)
    freopen(argv[1], "r", stdin);
    freopen(argv[2], "w", stdout);
  #else
    freopen("permutrans.in", "r", stdin);
    freopen("permutrans.out", "w", stdout);
  #endif

  n = read<int>();
  for (int i = 1; i <= n; ++i) {
    a[i] = read<int>();
    if (a[i] != i) special = false;
  }

  if (special) {
    write(n, ' '), write(0);
    return 0;
  }

  for (int i = 1; i <= n; ++i) {
    int cnt = 0;
    for (int j = 1; j <= n; ++j) {
      if (a[j] >= j) cnt++;
    }
    if (cnt > ans) {
      ans = cnt;
      mv = i - 1;
    }

    int temp = a[n];
    for (int i = n; i >= 2; --i) {
      a[i] = a[i - 1];
    }
    a[1] = temp;
  }

  write(ans, ' '), write(mv);
  return 0;
}