#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 4000010
#define N 5010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define inf (int)1e9
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(), x.end()
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
if (a > b)
{
a = b;
return true;
}
return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
if (a < b)
{
a = b;
return true;
}
return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
int n, m, q, l[maxn], r[maxn], s[maxn];
namespace sub2
{
struct BIT
{
int t[maxn];
void up(int x, int val)
{
for (; x; x -= lb(x))
t[x] += val;
}
int get(int x)
{
int ans = 0;
for (; x < maxn; x += lb(x))
ans += t[x];
return ans;
}
} t;
vi adj[N];
void solve()
{
vi v;
fo(i, 1, m)
{
fo(j, l[i], r[i])
{
v.pb(j);
adj[j].pb((int)v.size());
}
}
fo(i, 1, q) minimize(s[i], v.size() + 5);
fo(i, 1, n)
{
fo(j, 1, (int)adj[i].size() - 1)
{
t.up(adj[i][j] - adj[i][j - 1], 1);
}
}
fo(i, 1, q) cout << t.get(s[i] + 1) << ' ';
}
}
namespace sub4
{
int su[maxn];
vector<array<int, 3>> range;
vi save;
int p[maxn];
void solve()
{
save.pb(1);
fo(i, 1, m)
{
save.pb(l[i]);
if (r[i] != n)
save.pb(r[i] + 1);
}
sort(all(save));
save.erase(unique(all(save)), save.end());
// for (int it : save)
// cout << it << ' ';
// en;
fo(i, 0, (int)save.size() - 2)
{
range.push_back({save[i], save[i + 1] - 1, inf});
}
range.push_back({save.back(), n, inf});
// for (auto [l, r, w] : range)
// cout << l << ' ' << r << ' ' << w << "\n";
fo(i, 2, m) p[i] = p[i - 1] + r[i - 1] - l[i - 1] + 1;
// cout << range.size();en;
vi nen;
vii up;
fo(i, 1, m)
{
int sum = 0;
int lb = lower_bound(all(save), l[i]) - save.begin();
while (range[lb][1] <= r[i] and lb < range.size())
{
if (range[lb][2] != inf)
{
nen.pb(p[i] - range[lb][2] + sum);
up.pb(p[i] - range[lb][2] + sum, range[lb][1] - range[lb][0] + 1);
}
range[lb][2] = p[i] + sum;
sum += range[lb][1] - range[lb][0] + 1;
lb++;
}
}
fo(i,1,q) nen.pb(s[i] + 1);
sort(all(nen));
nen.erase(unique(all(nen)),nen.end());
for(auto [x,val] : up)
{
x = lower_bound(all(nen),x) - nen.begin() + 1;
su[x] += val;
}
fod(i,maxn - 1,0) su[i] += su[i + 1];
fo(i, 1, q)
{
s[i] = lower_bound(all(nen),s[i] + 1) - nen.begin() + 1;
cout << su[s[i]] << ' ';
}
}
}
main()
{
#define name "TASK"
if (fopen(name ".inp", "r"))
{
freopen(name ".inp", "r", stdin);
freopen(name ".out", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> m >> q;
fo(i, 1, m) cin >> l[i] >> r[i];
fo(i, 1, q) cin >> s[i];
if (m <= 200)
return sub4::solve(), 0;
sub2::solve();
}
Compilation message
Main.cpp: In function 'void sub4::solve()':
Main.cpp:119:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
119 | while (range[lb][1] <= r[i] and lb < range.size())
| ~~~^~~~~~~~~~~~~~
Main.cpp: At global scope:
Main.cpp:147:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
147 | main()
| ^~~~
Main.cpp: In instantiation of 'bool minimize(T1&, T2) [with T1 = int; T2 = long unsigned int]':
Main.cpp:73:48: required from here
Main.cpp:22:11: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
22 | if (a > b)
| ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:152:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
152 | freopen(name ".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:153:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
153 | freopen(name ".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
24920 KB |
Output is correct |
| 2 |
Correct |
4 ms |
24924 KB |
Output is correct |
| 3 |
Correct |
4 ms |
25072 KB |
Output is correct |
| 4 |
Incorrect |
4 ms |
25176 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
24920 KB |
Output is correct |
| 2 |
Correct |
4 ms |
24924 KB |
Output is correct |
| 3 |
Correct |
4 ms |
25072 KB |
Output is correct |
| 4 |
Incorrect |
4 ms |
25176 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
24924 KB |
Output is correct |
| 2 |
Correct |
5 ms |
25384 KB |
Output is correct |
| 3 |
Correct |
57 ms |
33712 KB |
Output is correct |
| 4 |
Runtime error |
1797 ms |
1048576 KB |
Execution killed with signal 9 |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
24920 KB |
Output is correct |
| 2 |
Correct |
4 ms |
24924 KB |
Output is correct |
| 3 |
Correct |
4 ms |
25072 KB |
Output is correct |
| 4 |
Incorrect |
4 ms |
25176 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
24920 KB |
Output is correct |
| 2 |
Correct |
4 ms |
24924 KB |
Output is correct |
| 3 |
Correct |
4 ms |
25072 KB |
Output is correct |
| 4 |
Incorrect |
4 ms |
25176 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
