#include <iostream>
// just lame brutal force
int A[41];
struct Best {
int v;
int c;
Best()
: v(1000000)
, c(0) {}
void update(int v)
{
if (this->v > v) {
this->v = v;
c = 1;
} else if (this->v == v) {
++c;
}
}
} BB[41];
int main() {
std::ios_base::sync_with_stdio(0);
int n;
std::cin >> n;
for (int i=0;i<n;++i) std::cin >> A[i];
uint64_t M = 1ull<<n;
for (uint64_t b=1;b<M;++b) {
int c = 0;
for (uint64_t i=1;i<=b;i<<=1) {
if (b & i) {
++c;
}
}
int z = 0;
for (int i=0;i<n;++i) {
if (b & (1ull<<i)) {
for (int j=i+1;j<n;++j) {
if ((b & (1ull<<j)) && A[i] > A[j]) {
++z;
}
}
}
}
BB[c].update(z);
}
for (int i=1;i<=n;++i) {
std::cout << BB[i].v << " " << BB[i].c << std::endl;
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #include <iostream> // just lame brutal force int A[41]; struct Best { int v; int c; Best() : v(1000000) , c(0) {} void update(int v) { if (this->v > v) { this->v = v; c = 1; } else if (this->v == v) { ++c; } } } BB[41]; int main() { std::ios_base::sync_with_stdio(0); int n; std::cin >> n; for (int i=0;i<n;++i) std::cin >> A[i]; uint64_t M = 1ull<<n; for (uint64_t b=1;b<M;++b) { int c = 0; for (uint64_t i=1;i<=b;i<<=1) { if (b & i) { ++c; } } int z = 0; for (int i=0;i<n;++i) { if (b & (1ull<<i)) { for (int j=i+1;j<n;++j) { if ((b & (1ull<<j)) && A[i] > A[j]) { ++z; } } } } BB[c].update(z); } for (int i=1;i<=n;++i) { std::cout << BB[i].v << " " << BB[i].c << std::endl; } return 0; } |
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