#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <bitset>
using namespace std;
typedef long long ll;
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define szz(x) ((int)(x).size())
#define rep(i, n) for(int i=0;i<n;i++)
#define all(x) (x).begin(), (x).end()
typedef tuple<int, int, int> t3;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef long double ldouble;
int N, C[300030], D[300030];
vector <pii> seg[300030];
ll T[2][1<<20];
const int ADD = 1<<19;
void update(int x, ll v) {
x += ADD; T[0][x] = max(T[0][x], v); x >>= 1;
while(x) T[0][x] = max(T[0][x<<1], T[0][x<<1|1]), x >>= 1;
}
ll read(int l, int r) {
l += ADD, r += ADD;
ll res = 0;
while(l <= r) {
if(l & 1) res = max(res, T[0][l++]);
if(!(r & 1)) res = max(res, T[0][r--]);
l >>= 1, r >>= 1;
}
return res;
}
void update2(int l, int r, ll val) {
l += ADD, r += ADD;
while(l <= r) {
if(l & 1) T[1][l] = max(T[1][l], val);
if(!(r & 1)) T[1][r] = max(T[1][r], val);
l = (l + 1) >> 1, r = (r - 1) >> 1;
}
}
ll read2(int x) {
x += ADD;
ll res = 0;
while(x) res = max(res, T[1][x]), x >>= 1;
return res;
}
int main() {
scanf("%d", &N);
for(int i=1;i<=N;i++) scanf("%d", C + i);
for(int i=1;i<=N;i++) scanf("%d", D + i);
for(int i=1;i<=N;i++) {
if(i + C[i] - 1 <= N) seg[i].pb(pii(i + C[i] - 1, i));
if(i - C[i] + 1 >= 1) seg[i - C[i] + 1].pb(pii(i, i));
}
for(int i=1;i<=N;i++) {
sort(all(seg[i]));
reverse(all(seg[i]));
}
for(int i=1;i<=N;i++) {
vector <pll> upd;
rep(j, szz(seg[i])) {
ll val = read(seg[i][j].Fi, N) + D[seg[i][j].Se];
if(i == seg[i][j].Fi) update2(i, i, val);
else {
if(i == seg[i][j].Se) update2(i, i, val - D[seg[i][j].Se]), update2(i + 1, seg[i][j].Fi, val);
else update2(seg[i][j].Fi, seg[i][j].Fi, val - D[seg[i][j].Se]), update2(i, seg[i][j].Fi - 1, val);
}
upd.pb(pll(seg[i][j].Fi, val));
if(j == szz(seg[i]) - 1 || seg[i][j].Fi != seg[i][j+1].Fi) {
for(pll e : upd) update((int)e.Fi, e.Se);
upd.clear();
}
}
}
for(int i=1;i<=N;i++) printf("%lld ", read2(i)); puts("");
return 0;
}
Compilation message
gorgeous.cpp: In function 'int main()':
gorgeous.cpp:99:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
for(int i=1;i<=N;i++) printf("%lld ", read2(i)); puts("");
^~~
gorgeous.cpp:99:51: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
for(int i=1;i<=N;i++) printf("%lld ", read2(i)); puts("");
^~~~
gorgeous.cpp:72:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &N);
~~~~~^~~~~~~~~~
gorgeous.cpp:73:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=N;i++) scanf("%d", C + i);
~~~~~^~~~~~~~~~~~~
gorgeous.cpp:74:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=N;i++) scanf("%d", D + i);
~~~~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
8 ms |
7536 KB |
Output is correct |
| 3 |
Incorrect |
10 ms |
7648 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
8 ms |
7536 KB |
Output is correct |
| 3 |
Incorrect |
10 ms |
7648 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
8 ms |
7536 KB |
Output is correct |
| 3 |
Incorrect |
10 ms |
7648 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
