#include <algorithm> #include <cstdio> #include <utility> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define FORD(i,a,b) for(int i=(b)-1;i>=(a);--i) #define REP(i,n) FOR(i,0,n) #define REPD(i,n) FORD(i,0,n) #define FT first #define SD second typedef long long LL; pair<LL, LL> p[1000000]; bool u[1000000]; int main() { int n; scanf("%d", &n); REP(i,n) scanf("%lld%lld", &p[i].FT, &p[i].SD); sort(p, p + n); LL res = 0; REP(k,n) { LL bestVal = 0, s = 0; int best = -1, m = k; REPD(i,n) { if (u[i]) { s += p[i].FT; --m; continue; } LL val = s + m * p[i].FT + p[i].SD; if (val >= bestVal) { bestVal = val; best = i; } } res += bestVal; u[best] = 1; 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 | #include <algorithm> #include <cstdio> #include <utility> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define FORD(i,a,b) for(int i=(b)-1;i>=(a);--i) #define REP(i,n) FOR(i,0,n) #define REPD(i,n) FORD(i,0,n) #define FT first #define SD second typedef long long LL; pair<LL, LL> p[1000000]; bool u[1000000]; int main() { int n; scanf("%d", &n); REP(i,n) scanf("%lld%lld", &p[i].FT, &p[i].SD); sort(p, p + n); LL res = 0; REP(k,n) { LL bestVal = 0, s = 0; int best = -1, m = k; REPD(i,n) { if (u[i]) { s += p[i].FT; --m; continue; } LL val = s + m * p[i].FT + p[i].SD; if (val >= bestVal) { bestVal = val; best = i; } } res += bestVal; u[best] = 1; printf("%lld\n", res); } } |