This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "dungeons.h"
using namespace std;
typedef long long ll;
int n;
vector<int> p, w, l;
int s;
vector<vector<pair<ll, ll>>> jmp;
vector<ll> dp;
void init(int n1, vector<int> s1, vector<int> p1, vector<int> w1, vector<int> l1) {
n = n1; s = s1[0]; p = p1; w = w1; l = l1;
jmp = vector<vector<pair<ll, ll>>>(n, vector<pair<ll, ll>>(20));
for (int i = 0; i < n; i++) {
jmp[i][0] = {p[i], l[i]};
}
for (int j = 1; j < 20; j++) {
for (int i = 0; i < n; i++) {
jmp[i][j] = {jmp[jmp[i][j-1].second][j-1].first + jmp[i][j-1].first,
jmp[jmp[i][j-1].second][j-1].second};
}
}
dp = vector<ll>(n+1);
dp[n] = 0;
for (int i = n-1; i >= 0; i--) {
dp[i] = s + dp[w[i]];
}
}
ll simulate(int x1, int z1) {
ll i = x1, z = z1;
for (int j = 20-1; j >= 0; j++) {
if (z + jmp[i][j].first < s) {
z += jmp[i][j].first;
i += jmp[i][j].second;
}
}
if (z < s) {
z += jmp[i][0].first;
i += jmp[i][0].second;
}
z += dp[i];
return z;
}
Compilation message (stderr)
dungeons.cpp: In function 'll simulate(int, int)':
dungeons.cpp:34:5: warning: iteration 2147483628 invokes undefined behavior [-Waggressive-loop-optimizations]
34 | for (int j = 20-1; j >= 0; j++) {
| ^~~
dungeons.cpp:34:26: note: within this loop
34 | for (int j = 20-1; j >= 0; j++) {
| ~~^~~~
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