#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define ff first
#define sc second
#define pb push_back
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define ull unsigned long long
#define all(x) (x).begin(),(x).end()
// #define int long long
// #define int unsigned long long
#define ordered_set(T) tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>
// #define ordered_multiset(T) tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>
void open_file(string filename) {
freopen((filename + ".in").c_str(), "r", stdin);
freopen((filename + ".out").c_str(), "w", stdout);
}
// const ll mod = 1e9 + 7;
// const ll mod = 998244353;
const ll inf = 1e9;
const ll biginf = 1e18;
const int maxN = 2 * 1e5 + 25;
struct node {
int a, b, c, id;
};
bool comp(node x, node y) {
return x.a < y.a;
}
int tim;
node arr[maxN];
ordered_set(pii) bit[maxN];
void update(int x, int val) {
for ( ; x; x -= (x & -x)) bit[x].insert({val, ++tim});
}
int query(int x, int val) {
int ans = 0;
for ( ; x < maxN; x += (x & -x))
ans += bit[x].size() - bit[x].order_of_key({val - 1, 2 * inf + 1e5});
return ans;
}
void solve() {
int n, q;
cin >> n >> q;
int ans[q + 1];
for (int i = 1; i <= n; i++) {
cin >> arr[i].a >> arr[i].b;
arr[i].c = arr[i].a + arr[i].b; arr[i].id = 0;
} for (int i = 1; i <= q; i++) {
cin >> arr[i].a >> arr[i].b >> arr[i].c; arr[i].id = i;
} sort(arr + 1, arr + n + q + 1, comp);
vector<int> x;
for (int i = 1; i <= n + q; i++) x.pb(arr[i].b);
sort(all(x)); x.resize(unique(all(x)) - x.begin());
for (int i = 1; i <= n + q; i++)
arr[i].b = lower_bound(all(x), arr[i].b) - x.begin() + 1;
for (int i = n + q; i >= 1; i--) {
ans[arr[i].id] = query(arr[i].b, arr[i].c);
if (arr[i].id == 0) update(arr[i].b, arr[i].c);
} for (int i = 1; i <= q; i++) cout << ans[i] << '\n';
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int t = 1;
// cin >> t;
while (t--) {
solve();
cout << '\n';
}
return 0;
}
Compilation message
examination.cpp: In function 'void open_file(std::string)':
examination.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
26 | freopen((filename + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:27:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
27 | freopen((filename + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
11 ms |
19312 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
137 ms |
29768 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
137 ms |
29768 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
11 ms |
19312 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
