#include <bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false), cin.tie(nullptr);
int N, M;
cin >> N >> M;
vector<int> A(N);
for(int i = 0; i < N; i++) cin >> A[i];
// NEVER pay a pirate more than 64.
// you can always pay pirates who weren't paid previous day for d[i]
// which = (n-1) // 2 + 1 (yourself)
// N * 64^2 = 2e8
const int G = 65;
// greed = a, cost = b
const int B = 20;
const int S = 50000 / B; // i / 1000
vector<vector<int> > divisors(G+1);
for(int g = 1; g <= G; g++){
for(int d = 1; d <= G; d++){
if(g % d == 0) divisors[g].push_back(d);
}
}
vector<int> par(N, -1);
int cnts[G][G+1];
// head, tail, cnt
vector<tuple<int,int,int> > locs[G][G+1];
for(int g = 0; g < G; g++) for(int x = 0; x <= G; x++) {
cnts[g][x] = 0;
locs[g][x].assign(B, {-1, -1, 0});
}
vector<vector<int> > extras(G+1); // when elected or dead, go here
auto combine = [&](int d, int src_x, int dst_x, int bucket){
auto& [shead, stail, scnt] = locs[d][src_x][bucket];
if(scnt == 0) return;
auto& [dhead, dtail, dcnt] = locs[d][dst_x][bucket];
cnts[d][src_x] -= (int)scnt;
cnts[d][dst_x] += (int)scnt;
if(dcnt == 0){
dhead = shead;
dtail = stail;
} else {
par[dhead] = stail;
dhead = shead;
}
shead = stail = -1;
dcnt += scnt;
scnt = 0;
};
auto attach = [&](tuple<int, int, int>& nv, int v) -> void {
if(get<2>(nv)){
par[v] = get<1>(nv);
get<1>(nv) = v;
get<2>(nv)++;
} else {
par[v] = -1;
nv = {v, v, 1};
}
};
int profit;
vector<int> bucket_extras_tmp(B);
vector<int> active_tmp(S);
vector<int> ans(N, -1);
for(int i = N-1; i >= 0; i--){
int need_votes = (N-i+1)/2 - 1;
int votes = 0;
int pay = 0;
int amt_pay = 0;
for(; pay <= G; pay++){
int count_pay = 0;
for(int d : divisors[pay]){
count_pay += cnts[d][pay/d];
}
count_pay += (int)extras[pay].size();
votes += count_pay;
amt_pay += count_pay * pay;
if(votes >= need_votes){
break;
}
}
int extra_votes = votes - need_votes;
amt_pay -= extra_votes * pay;
if(amt_pay <= M){
bucket_extras_tmp.assign(B, 0);
for(int v : extras[pay]){
bucket_extras_tmp[v / S]++;
}
// find thresh
int thresh = 0;
for(int bucket = 0; bucket < B; bucket++){
if(extra_votes == 0) break;
int count_pay_bucket = 0;
count_pay_bucket += bucket_extras_tmp[bucket];
for(int g : divisors[pay]){
count_pay_bucket += get<2>(locs[g][pay/g][bucket]);
}
if(count_pay_bucket <= extra_votes){
thresh += S;
extra_votes -= count_pay_bucket;
for(int g : divisors[pay]){
combine(g, pay/g, 0, bucket);
}
} else {
active_tmp.assign(S, 0);
for(int v : extras[pay]){
if(v / S == bucket){
active_tmp[v - bucket * S] = 1;
}
}
for(int g : divisors[pay]){
int v = get<1>(locs[g][pay/g][bucket]);
while(v != -1){
active_tmp[v - bucket * S] = 1;
v = par[v];
}
}
for(int c = 0; c < S; c++){
thresh++;
if(active_tmp[c]){
extra_votes -= 1;
if(extra_votes == 0) break;
}
}
assert(extra_votes == 0);
for(int g : divisors[pay]){
int v = get<1>(locs[g][pay/g][bucket]);
tuple<int, int, int> nv = {-1, -1, 0};
while(v != -1){
int pv = par[v];
if(v < thresh){
cnts[g][pay/g] -= 1;
cnts[g][0] += 1;
attach(locs[g][0][bucket], v);
} else {
attach(nv, v);
}
v = pv;
}
locs[g][pay/g][bucket] = nv;
}
break;
}
}
// sort extras
vector<vector<int> > nextras(G+1);
for(int p = 0; p <= G; p++){
for(int v : extras[p]){
if(p > pay || (p == pay && v < thresh)){
cnts[A[v]][0] += 1;
attach(locs[A[v]][0][v / S], v);
} else {
nextras[min(G, p + A[v])].push_back(v);
ans[v] = p;
}
}
}
extras = nextras;
for(int g = 1; g < G; g++){
int x = pay/g + 1;
for(int y = x; y <= (G-1) / g + 1; y++){
if(cnts[g][y]){
for(int bucket = 0; bucket < B; bucket++){
combine(g, y, 0, bucket);
}
}
}
rotate(locs[g], locs[g] + x, locs[g] + x+1);
rotate(cnts[g], cnts[g] + x, cnts[g] + x+1);
}
profit = M - amt_pay;
extras[min(profit + A[i], G)].push_back(i);
ans[i] = profit;
} else {
// can't pay
extras[0].push_back(i);
ans[i] = -1;
}
}
for(int g = 1; g < G; g++){
for(int y = 0; y <= (G-1) / g + 1; y++){
for(int bucket = 0; bucket < B; bucket++){
int a = get<1>(locs[g][y][bucket]);
while(a != -1){
ans[a] = g * (y-1);
a = par[a];
}
}
}
}
for(int i = 0; i < N; i++){
cout << ans[i] << " \n"[i+1 == N];
}
}
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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | #include <bits/stdc++.h> using namespace std; int main(){ ios_base::sync_with_stdio(false), cin.tie(nullptr); int N, M; cin >> N >> M; vector<int> A(N); for(int i = 0; i < N; i++) cin >> A[i]; // NEVER pay a pirate more than 64. // you can always pay pirates who weren't paid previous day for d[i] // which = (n-1) // 2 + 1 (yourself) // N * 64^2 = 2e8 const int G = 65; // greed = a, cost = b const int B = 20; const int S = 50000 / B; // i / 1000 vector<vector<int> > divisors(G+1); for(int g = 1; g <= G; g++){ for(int d = 1; d <= G; d++){ if(g % d == 0) divisors[g].push_back(d); } } vector<int> par(N, -1); int cnts[G][G+1]; // head, tail, cnt vector<tuple<int,int,int> > locs[G][G+1]; for(int g = 0; g < G; g++) for(int x = 0; x <= G; x++) { cnts[g][x] = 0; locs[g][x].assign(B, {-1, -1, 0}); } vector<vector<int> > extras(G+1); // when elected or dead, go here auto combine = [&](int d, int src_x, int dst_x, int bucket){ auto& [shead, stail, scnt] = locs[d][src_x][bucket]; if(scnt == 0) return; auto& [dhead, dtail, dcnt] = locs[d][dst_x][bucket]; cnts[d][src_x] -= (int)scnt; cnts[d][dst_x] += (int)scnt; if(dcnt == 0){ dhead = shead; dtail = stail; } else { par[dhead] = stail; dhead = shead; } shead = stail = -1; dcnt += scnt; scnt = 0; }; auto attach = [&](tuple<int, int, int>& nv, int v) -> void { if(get<2>(nv)){ par[v] = get<1>(nv); get<1>(nv) = v; get<2>(nv)++; } else { par[v] = -1; nv = {v, v, 1}; } }; int profit; vector<int> bucket_extras_tmp(B); vector<int> active_tmp(S); vector<int> ans(N, -1); for(int i = N-1; i >= 0; i--){ int need_votes = (N-i+1)/2 - 1; int votes = 0; int pay = 0; int amt_pay = 0; for(; pay <= G; pay++){ int count_pay = 0; for(int d : divisors[pay]){ count_pay += cnts[d][pay/d]; } count_pay += (int)extras[pay].size(); votes += count_pay; amt_pay += count_pay * pay; if(votes >= need_votes){ break; } } int extra_votes = votes - need_votes; amt_pay -= extra_votes * pay; if(amt_pay <= M){ bucket_extras_tmp.assign(B, 0); for(int v : extras[pay]){ bucket_extras_tmp[v / S]++; } // find thresh int thresh = 0; for(int bucket = 0; bucket < B; bucket++){ if(extra_votes == 0) break; int count_pay_bucket = 0; count_pay_bucket += bucket_extras_tmp[bucket]; for(int g : divisors[pay]){ count_pay_bucket += get<2>(locs[g][pay/g][bucket]); } if(count_pay_bucket <= extra_votes){ thresh += S; extra_votes -= count_pay_bucket; for(int g : divisors[pay]){ combine(g, pay/g, 0, bucket); } } else { active_tmp.assign(S, 0); for(int v : extras[pay]){ if(v / S == bucket){ active_tmp[v - bucket * S] = 1; } } for(int g : divisors[pay]){ int v = get<1>(locs[g][pay/g][bucket]); while(v != -1){ active_tmp[v - bucket * S] = 1; v = par[v]; } } for(int c = 0; c < S; c++){ thresh++; if(active_tmp[c]){ extra_votes -= 1; if(extra_votes == 0) break; } } assert(extra_votes == 0); for(int g : divisors[pay]){ int v = get<1>(locs[g][pay/g][bucket]); tuple<int, int, int> nv = {-1, -1, 0}; while(v != -1){ int pv = par[v]; if(v < thresh){ cnts[g][pay/g] -= 1; cnts[g][0] += 1; attach(locs[g][0][bucket], v); } else { attach(nv, v); } v = pv; } locs[g][pay/g][bucket] = nv; } break; } } // sort extras vector<vector<int> > nextras(G+1); for(int p = 0; p <= G; p++){ for(int v : extras[p]){ if(p > pay || (p == pay && v < thresh)){ cnts[A[v]][0] += 1; attach(locs[A[v]][0][v / S], v); } else { nextras[min(G, p + A[v])].push_back(v); ans[v] = p; } } } extras = nextras; for(int g = 1; g < G; g++){ int x = pay/g + 1; for(int y = x; y <= (G-1) / g + 1; y++){ if(cnts[g][y]){ for(int bucket = 0; bucket < B; bucket++){ combine(g, y, 0, bucket); } } } rotate(locs[g], locs[g] + x, locs[g] + x+1); rotate(cnts[g], cnts[g] + x, cnts[g] + x+1); } profit = M - amt_pay; extras[min(profit + A[i], G)].push_back(i); ans[i] = profit; } else { // can't pay extras[0].push_back(i); ans[i] = -1; } } for(int g = 1; g < G; g++){ for(int y = 0; y <= (G-1) / g + 1; y++){ for(int bucket = 0; bucket < B; bucket++){ int a = get<1>(locs[g][y][bucket]); while(a != -1){ ans[a] = g * (y-1); a = par[a]; } } } } for(int i = 0; i < N; i++){ cout << ans[i] << " \n"[i+1 == N]; } } |
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