#include <bits/stdc++.h>
using namespace std;
#define int long long
void init (vector<int32_t> &a, vector<pair<int, int>> &b){
vector<int32_t> tmp = a;
for (int i = 0; i < b.size(); ++i)
a[i] = tmp[b[i].second];
return;
}
const int N = 100007;
vector<int> par(N), mn(N), sum(N), sz(N), val(N);
int acs (int u){
return (u == par[u] ? u : par[u] = acs(par[u]));
}
vector<int> calculate_costs (
vector<int32_t> w, vector<int32_t> a,
vector<int32_t> b, vector<int32_t> e
){
int n = a.size(), q = e.size();
vector<int> ans(q); vector<pair<int, int>> d(q), x(n), events;
for (int i = 0; i < n; ++i)
x[i] = {w[i], i};
for (int i = 0; i < q; ++i)
d[i] = {e[i], i};
sort(d.begin(), d.end());
sort(x.begin(), x.end());
init(a, x);
init(b, x);
init(w, x);
int res = 0;
for (int i = 0; i < n; ++i){
res += 1ll * a[i];
par[i] = i;
sz[i] = 1;
sum[i] = b[i];
mn[i] = a[i] - b[i];
val[i] = a[i];
}
for (int i = 0; i < n - 1; ++i)
events.push_back({w[i + 1] - w[i], i});
sort(events.begin(), events.end());
int j = 0;
for (auto [x, y] : d){
while (j < events.size() && events[j].first <= x){
int i = events[j].second;
int u = acs(i);
int v = acs(i + 1);
int t = (val[u] + val[v]);
res -= t;
if (sz[u] < sz[v])
swap(u, v);
par[v] = u;
sz[u] += sz[v];
mn[u] = min(mn[u], mn[v]);
sum[u] += sum[v];
val[u] = min((sz[u] % 2ll ? sum[u] + mn[u] : sum[u]), t);
res += val[u];
++j;
}
ans[y] = res;
}
return ans;
}
int32_t main (){
#define task "test"
if (fopen(task".inp", "r")){
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
int n, q; cin >> n >> q;
vector<int32_t> w(n), a(n), b(n), e(q);
for (int32_t &x : w) cin >> x;
for (int32_t &x : a) cin >> x;
for (int32_t &x : b) cin >> x;
for (int32_t &x : e) cin >> x;
vector<int> ans = calculate_costs(w, a, b, e);
for (int x : ans)
cout << x << " ";
}
Compilation message
nile.cpp: In function 'void init(std::vector<int>&, std::vector<std::pair<long long int, long long int> >&)':
nile.cpp:9:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
9 | for (int i = 0; i < b.size(); ++i)
| ~~^~~~~~~~~~
nile.cpp: In function 'std::vector<long long int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:51:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | while (j < events.size() && events[j].first <= x){
| ~~^~~~~~~~~~~~~~~
nile.cpp: In function 'int32_t main()':
nile.cpp:75:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
75 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
nile.cpp:76:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
76 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc2qOF4J.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccjIFhWL.o:nile.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
