제출 #525424

#제출 시각아이디문제언어결과실행 시간메모리
525424LucaDantasDungeons Game (IOI21_dungeons)C++17
0 / 100
19 ms16400 KiB
#include "dungeons.h" #include <vector> #include <bits/stdc++.h> using namespace std; constexpr int maxn = 5e4+10, logn = 25; // colocar 25 ANIMALL constexpr long long inf = 1e15L; struct FunctionalGraph { int f[maxn][logn], mn[maxn][logn]; // p[i] == peso da aresta saindo de i, f[i] == aresta saindo de i long long tab[maxn][logn], cost[maxn][logn]; // s[i] == força necessaria para matar i void add_i(int i, int x, int v, long long st) { f[i][0] = x, cost[i][0] = v, mn[i][0] = i, tab[i][0] = st; } void build(int n) { f[n][0] = n; cost[n][0] = 0; mn[n][0] = n; for(int i = 0; i <= n; i++) { printf("(%d, %d | %lld) ", i, mn[i][0], tab[i][0]); } puts(""); for(int l = 1; l < logn; l++) { for(int i = 0; i <= n; i++) { f[i][l] = f[f[i][l-1]][l-1]; cost[i][l] = cost[i][l-1] + cost[f[i][l-1]][l-1]; if(tab[i][l-1] <= tab[ f[i][l-1] ][l-1] - cost[i][l-1]) mn[i][l] = mn[i][l-1], tab[i][l] = tab[i][l-1]; else { mn[i][l] = mn[ f[i][l-1] ][l-1]; tab[i][l] = tab[f[i][l-1]][l-1] - cost[i][l-1]; // printf("BR %d %lld\n", f[i][l-1], tab[f[i][l-1]][l-1]); } // printf("(%d, %d | %lld) ", i, mn[i][l], tab[i][l]); } // puts(""); } // puts(""); } void go(int& x, long long& val) { if(val >= tab[x][0]) return; // printf("%d %lld %lld\n", x, val, tab[x][0]); for(int l = logn-1; l >= 0; l--) if(tab[x][l] > val) val += cost[x][l], x = f[x][l]; // printf("%d %lld %lld\n", x, val, tab[x][0]); /* val += cost[x][0]; x = f[x][0]; printf("%d %lld %lld\n", x, val, tab[x][0]); */ /* puts(""); fflush(stdout); */ assert(val >= tab[x][0]); // passo pro pai porque na binary lifting peguei o ultimo cara tal que o minimo é maior que o meu valor, então o prox é menor } } graph[logn]; void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) { for(int lg = 0; lg < logn; lg++) { for(int i = 0; i < n; i++) { if(s[i] <= (1<<lg)) graph[lg].add_i(i, w[i], s[i], inf); else graph[lg].add_i(i, l[i], p[i], s[i]); } graph[lg].build(n); } return; } long long simulate(int x, int z) { long long val = z; for(int lg = 0; lg < logn; lg++) graph[lg].go(x, val); return val; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...