#include <cstdio> #include <vector> #include <algorithm> #define REP(i,n) for(int i=0; i<n; i++) #define FOR(i,b,e) for(int i=b; i<=e; i++) #define FORD(i,b,e) for(int i=b; i>=e; i--) #define PB push_back using namespace std; typedef vector <int> VI; typedef vector < VI > VVI; typedef pair<int, int> PII; typedef unsigned long long LL; #define N 1000009 struct F{ LL a, b, left, right, used; }; bool comp(F a, F b){ return a.a < b.a; } F tab[N]; LL fin[N]; int n; LL getBest(){ LL bestVal = 0; int bestId = -1; REP(i,N){ if(!tab[i].used){ LL tmp = tab[i].b + tab[i].left * tab[i].a + tab[i].right; if(tmp > bestVal){ bestVal = tmp; bestId = i; } } } tab[bestId].used = true; REP(i,bestId) tab[i].right += tab[bestId].a; FOR(i, bestId+1, n-1){ tab[i].left++; } return bestVal; } int main(){ scanf("%d", &n); REP(i,n) scanf("%lld %lld", &tab[i].a, &tab[i].b); sort(tab, tab+n, comp); LL res = 0; REP(i,n){ res += getBest(); printf("%lld\n", res); } }
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 | #include <cstdio> #include <vector> #include <algorithm> #define REP(i,n) for(int i=0; i<n; i++) #define FOR(i,b,e) for(int i=b; i<=e; i++) #define FORD(i,b,e) for(int i=b; i>=e; i--) #define PB push_back using namespace std; typedef vector <int> VI; typedef vector < VI > VVI; typedef pair<int, int> PII; typedef unsigned long long LL; #define N 1000009 struct F{ LL a, b, left, right, used; }; bool comp(F a, F b){ return a.a < b.a; } F tab[N]; LL fin[N]; int n; LL getBest(){ LL bestVal = 0; int bestId = -1; REP(i,N){ if(!tab[i].used){ LL tmp = tab[i].b + tab[i].left * tab[i].a + tab[i].right; if(tmp > bestVal){ bestVal = tmp; bestId = i; } } } tab[bestId].used = true; REP(i,bestId) tab[i].right += tab[bestId].a; FOR(i, bestId+1, n-1){ tab[i].left++; } return bestVal; } int main(){ scanf("%d", &n); REP(i,n) scanf("%lld %lld", &tab[i].a, &tab[i].b); sort(tab, tab+n, comp); LL res = 0; REP(i,n){ res += getBest(); printf("%lld\n", res); } } |