#include <cstdio>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <cmath>
#include <list>
#include <ctime>
#include <sstream>
#include <queue>
#include <stack>
#include <bitset>
#include <unordered_set>
#include <unordered_map>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef long long ll;
typedef short int sint;
#define FOR(x, b, e) for(int x=(b); x<=(e); ++x)
#define FORD(x, b, e) for(int x=((int)(b))-1; x>=(e); --x)
#define REP(x, n) for(int x=0; x<(n); ++x)
#define ALL(c) c.begin(),c.end()
#define SIZE(x) ((int)((x).size()))
#define PB push_back
#define ST first
#define ND second
#define DEBUG 1
#define debug(x) {if (DEBUG)cerr <<#x <<" = " <<x <<endl; }
#define debugv(x) {if (DEBUG) {cerr <<#x <<" = "; FOREACH(it, (x)) cerr <<*it <<", "; cout <<endl; }}
#define REMAX(a,b) (a)=max((a),(b));
#define REMIN(a,b) (a)=min((a),(b));
#define wez(n) int (n); scanf("%d",&(n));
#define wez2(n,m) int (n),(m); scanf("%d %d",&(n),&(m));
typedef unsigned int uint;
const int N = 26;
uint masks[1 << N];
sint zg[1 << N];
char ro[1 << N];
char hb[1 << N];
int a[N];
int minZg[N + 1];
int spos[N + 1];
int n;
int main() {
scanf("%d", &n);
REP(i, n) {
scanf("%d", &a[i]);
--a[i];
minZg[i + 1] = N * N;
}
int lastPot = 0;
FOR(i, 1, (1 << n) - 1) {
if (i >> lastPot) {
++lastPot;
}
hb[i] = lastPot - 1;
ro[i] = ro[i ^ (1 << hb[i])] + 1;
}
FOR(i, 1, (1 << n) - 1) {
int lastOne = hb[i];
int prevMask = i ^ (1 << lastOne);
int prevMapped = masks[prevMask];
int violating = prevMapped >> a[lastOne];
zg[i] = zg[prevMask] + ro[violating];
if (zg[i] < minZg[ro[i]]) {
minZg[ro[i]] = zg[i];
spos[ro[i]] = 1;
} else if (zg[i] == minZg[ro[i]]) {
++spos[ro[i]];
}
masks[i] = masks[prevMask] | (1 << a[lastOne]);
// printf("mask: %d, zg: %d, used: %d, violating: %d\n", i, zg[i], masks[i], violating);
}
FOR(i, 1, n) {
printf("%d %d\n", minZg[i], spos[i]);
}
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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <vector> #include <set> #include <map> #include <cmath> #include <list> #include <ctime> #include <sstream> #include <queue> #include <stack> #include <bitset> #include <unordered_set> #include <unordered_map> using namespace std; typedef vector<int> vi; typedef pair<int,int> pii; typedef long long ll; typedef short int sint; #define FOR(x, b, e) for(int x=(b); x<=(e); ++x) #define FORD(x, b, e) for(int x=((int)(b))-1; x>=(e); --x) #define REP(x, n) for(int x=0; x<(n); ++x) #define ALL(c) c.begin(),c.end() #define SIZE(x) ((int)((x).size())) #define PB push_back #define ST first #define ND second #define DEBUG 1 #define debug(x) {if (DEBUG)cerr <<#x <<" = " <<x <<endl; } #define debugv(x) {if (DEBUG) {cerr <<#x <<" = "; FOREACH(it, (x)) cerr <<*it <<", "; cout <<endl; }} #define REMAX(a,b) (a)=max((a),(b)); #define REMIN(a,b) (a)=min((a),(b)); #define wez(n) int (n); scanf("%d",&(n)); #define wez2(n,m) int (n),(m); scanf("%d %d",&(n),&(m)); typedef unsigned int uint; const int N = 26; uint masks[1 << N]; sint zg[1 << N]; char ro[1 << N]; char hb[1 << N]; int a[N]; int minZg[N + 1]; int spos[N + 1]; int n; int main() { scanf("%d", &n); REP(i, n) { scanf("%d", &a[i]); --a[i]; minZg[i + 1] = N * N; } int lastPot = 0; FOR(i, 1, (1 << n) - 1) { if (i >> lastPot) { ++lastPot; } hb[i] = lastPot - 1; ro[i] = ro[i ^ (1 << hb[i])] + 1; } FOR(i, 1, (1 << n) - 1) { int lastOne = hb[i]; int prevMask = i ^ (1 << lastOne); int prevMapped = masks[prevMask]; int violating = prevMapped >> a[lastOne]; zg[i] = zg[prevMask] + ro[violating]; if (zg[i] < minZg[ro[i]]) { minZg[ro[i]] = zg[i]; spos[ro[i]] = 1; } else if (zg[i] == minZg[ro[i]]) { ++spos[ro[i]]; } masks[i] = masks[prevMask] | (1 << a[lastOne]); // printf("mask: %d, zg: %d, used: %d, violating: %d\n", i, zg[i], masks[i], violating); } FOR(i, 1, n) { printf("%d %d\n", minZg[i], spos[i]); } return 0; } |
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