#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a); i<(b); ++i) //#define REP(i,n) FOR(i,1,(n)+1) typedef vector<int> vi; #define pb push_back #define sz size() typedef pair<int,int> pii; #define mp make_pair #define st first #define nd second typedef unsigned long long ll; #define INF 1000000001 //#define VAR(n,v) typeof(v) n=(v) #define ALL(t) t.begin(),t.end() #define SC(a) scanf("%lld", &a) #define GET(a) ll a; SC(a) #define ISDEBUG 1 #define dprintf(...) if(ISDEBUG) \ {printf("\033[31m"); printf(__VA_ARGS__); printf("\033[0m");} template <class It> void dptab(It b, It e, const char* f="%d ") { if(ISDEBUG) { for(It it=b; it!=e; ++it) dprintf(f, *it); dprintf("\n"); }} struct clearing { ll a, b; explicit clearing(ll a, ll b) : a(a), b(b) {} bool operator<(const clearing &c) const { if(a == c.a) return b > c.b; else return a < c.a; } }; vector<clearing> clearings; struct comparator { int k; explicit comparator(int k) : k(k) {} bool operator()(clearing c1, clearing c2) const { ll res = (c1.b+k*c1.a)-(c2.b+k*c2.a); if(0 == res) { if(c1.a != c2.a) return c1.a < c2.a; else return c1.b < c2.b; } else return res < 0; } }; clearing get_best(int k) { comparator compare(k); clearing best = clearings[0]; FOR(i,1,clearings.sz) { if(compare(best, clearings[i])) { best = clearings[i]; } } return best; } ll f(const clearing &c, ll k) { return k*c.a + c.b; } int find_leader(int k, int last_leader) { int leader = k-1; ll best = f(clearings[leader], k); FOR(i,k,last_leader) { ll x = f(clearings[i], k); if(x >= best) { best = x; leader = i; } } return leader; } int main() { GET(k_max); int n = k_max; FOR(i,0,n) { GET(a); GET(b); clearings.pb(clearing(a, b)); } if(n<=25) { // vi bests( vector<ll> bests(n+1); FOR(i,0,n) { sort(ALL(clearings)); int mask = 1; int n_bits = 0; do { n_bits = 0; int w=0; int mask_copy = mask; vi v_mask(n); while(mask_copy) { v_mask[w++] = (mask_copy % 2); n_bits += (mask_copy % 2); mask_copy /=2; } ll sum = 0; ll k = 0; FOR(j,0,n) { if(v_mask[j]) { sum += f(clearings[j], k++); } } bests[n_bits] = max(bests[n_bits], sum); ++mask; } while(n_bits != n); } FOR(i,1,n+1) { printf("%lld\n", bests[i]); } return 0; } //int k_min = 0; //while(k_min < k_max) { // clearing c = get_best(k_max); // // int k = k_max, bound = k_min; // //binary search of k // while(k - bound > 1) { // int m = (k+bound)/2; // if(c == get_best(m)) k = m; // else bound = m; // } // //} sort(ALL(clearings)); FOR(days,0,k_max) { ll sum = 0; int k = days; int last_leader = n; vector<bool> is_chosen(n); vector<clearing> chosen; while(k > 0) { int leader = find_leader(k, last_leader); --k; is_chosen[leader] = true; chosen.pb(clearings[leader]); last_leader = leader; } ll max_b = clearings[0].b; int leader = 0; FOR(i,1,n) { if(!is_chosen[i] && clearings[i].b > max_b) { max_b = clearings[i].b; leader = i; } } chosen.pb(clearings[leader]); sort(ALL(chosen)); FOR(i,0,chosen.sz) { dprintf("leader: %lld %lld -> * %lld = %lld\n", chosen[i].a, chosen[i].b, i, f(chosen[i], i)); sum += f(chosen[i], i); } printf("%lld\n", sum); } 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 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 | #include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a); i<(b); ++i) //#define REP(i,n) FOR(i,1,(n)+1) typedef vector<int> vi; #define pb push_back #define sz size() typedef pair<int,int> pii; #define mp make_pair #define st first #define nd second typedef unsigned long long ll; #define INF 1000000001 //#define VAR(n,v) typeof(v) n=(v) #define ALL(t) t.begin(),t.end() #define SC(a) scanf("%lld", &a) #define GET(a) ll a; SC(a) #define ISDEBUG 1 #define dprintf(...) if(ISDEBUG) \ {printf("\033[31m"); printf(__VA_ARGS__); printf("\033[0m");} template <class It> void dptab(It b, It e, const char* f="%d ") { if(ISDEBUG) { for(It it=b; it!=e; ++it) dprintf(f, *it); dprintf("\n"); }} struct clearing { ll a, b; explicit clearing(ll a, ll b) : a(a), b(b) {} bool operator<(const clearing &c) const { if(a == c.a) return b > c.b; else return a < c.a; } }; vector<clearing> clearings; struct comparator { int k; explicit comparator(int k) : k(k) {} bool operator()(clearing c1, clearing c2) const { ll res = (c1.b+k*c1.a)-(c2.b+k*c2.a); if(0 == res) { if(c1.a != c2.a) return c1.a < c2.a; else return c1.b < c2.b; } else return res < 0; } }; clearing get_best(int k) { comparator compare(k); clearing best = clearings[0]; FOR(i,1,clearings.sz) { if(compare(best, clearings[i])) { best = clearings[i]; } } return best; } ll f(const clearing &c, ll k) { return k*c.a + c.b; } int find_leader(int k, int last_leader) { int leader = k-1; ll best = f(clearings[leader], k); FOR(i,k,last_leader) { ll x = f(clearings[i], k); if(x >= best) { best = x; leader = i; } } return leader; } int main() { GET(k_max); int n = k_max; FOR(i,0,n) { GET(a); GET(b); clearings.pb(clearing(a, b)); } if(n<=25) { // vi bests( vector<ll> bests(n+1); FOR(i,0,n) { sort(ALL(clearings)); int mask = 1; int n_bits = 0; do { n_bits = 0; int w=0; int mask_copy = mask; vi v_mask(n); while(mask_copy) { v_mask[w++] = (mask_copy % 2); n_bits += (mask_copy % 2); mask_copy /=2; } ll sum = 0; ll k = 0; FOR(j,0,n) { if(v_mask[j]) { sum += f(clearings[j], k++); } } bests[n_bits] = max(bests[n_bits], sum); ++mask; } while(n_bits != n); } FOR(i,1,n+1) { printf("%lld\n", bests[i]); } return 0; } //int k_min = 0; //while(k_min < k_max) { // clearing c = get_best(k_max); // // int k = k_max, bound = k_min; // //binary search of k // while(k - bound > 1) { // int m = (k+bound)/2; // if(c == get_best(m)) k = m; // else bound = m; // } // //} sort(ALL(clearings)); FOR(days,0,k_max) { ll sum = 0; int k = days; int last_leader = n; vector<bool> is_chosen(n); vector<clearing> chosen; while(k > 0) { int leader = find_leader(k, last_leader); --k; is_chosen[leader] = true; chosen.pb(clearings[leader]); last_leader = leader; } ll max_b = clearings[0].b; int leader = 0; FOR(i,1,n) { if(!is_chosen[i] && clearings[i].b > max_b) { max_b = clearings[i].b; leader = i; } } chosen.pb(clearings[leader]); sort(ALL(chosen)); FOR(i,0,chosen.sz) { dprintf("leader: %lld %lld -> * %lld = %lld\n", chosen[i].a, chosen[i].b, i, f(chosen[i], i)); sum += f(chosen[i], i); } printf("%lld\n", sum); } return 0; } |