| 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;
}