#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
#define ll long long int
#define oo 1e9
#define pii pair<int, int>
const int MAX = 1e5 + 5;
const int LOGMAX = 30;
const int treeSize = MAX * LOGMAX * LOGMAX;
int tree[treeSize];
int L[treeSize], R[treeSize];
int n, m;
int nxt = MAX * 4;
void update1d(int node, int l, int r, int pos, int val){
tree[node] += val;
if(l == r) return;
int mid = (l + r) / 2;
if(pos <= mid){
if(!L[node]) L[node] = ++nxt;
update1d(L[node], l, mid ,pos, val);
}
else{
if(!R[node]) R[node] = ++nxt;
update1d(R[node], mid + 1, r ,pos, val);
}
}
int ask1d(int node, int l, int r, int ql, int qr){
if(node == 0) return 0;
if(r < ql || qr < l) return 0;
if(ql <= l && r <= qr) return tree[node];
int mid = (l + r) / 2;
return ask1d(L[node], l, mid, ql, qr) + ask1d(R[node], mid + 1, r, ql, qr);
}
void update2d(int node, int l, int r, int posx, int posy, int val){
update1d(node, 1, n, posx, val);
if(l == r) return;
int mid = (l + r) / 2;
if(posy <= mid){
update2d(2 * node, l, mid, posx, posy, val);
}
else{
update2d(2 * node + 1, mid + 1, r, posx, posy, val);
}
}
int ask2d(int node, int l, int r, int x1, int x2, int y1, int y2){
if(r < y1 || y2 < l) return 0;
if(y1 <= l && r <= y2) return ask1d(node, 1, n, x1, x2);
int mid = (l + r) / 2;
return ask2d(2 * node, l, mid, x1, x2, y1, y2) + ask2d(2 * node + 1, mid + 1, r, x1, x2, y1, y2);
}
bool comp(array<int, 4> a, array<int, 4> b){
return (a[2] < b[2]);
}
bool comp2(pii a, pii b){
return a.first + a.second < b.first + b.second;
}
pii arr[MAX];
vector<int> v1, v2;
vector<array<int, 4>> q;
void INPUT(){
cin >> n >> m;
for (int i = 0; i < n; i++)
{
scanf("%d%d", arr[i].first, arr[i].second);
v1.push_back(arr[i].first);
v2.push_back(arr[i].second);
}
sort(v1.begin(), v1.end());
sort(v2.begin(), v2.end());
for (int i = 0; i < m; i++)
{
int a, b, c; scanf("%d%d%d", a, b, c);
q.push_back({a, b, c, i});
}
sort(q.begin(), q.end(), comp);
}
int main(){
INPUT();
for (int i = 0; i < n; i++)
{
int a = lower_bound(v1.begin(), v1.end(), arr[i].first) - v1.begin() + 1;
int b = lower_bound(v2.begin(), v2.end(), arr[i].second) - v2.begin() + 1;
update2d(1, 1, n, a, b, 1);
}
sort(arr, arr + n, comp2);
int p = 0;
int ans[m];
for(array<int, 4> t : q){
int X = lower_bound(v1.begin(), v1.end(), t[0]) - v1.begin() + 1;
int Y = lower_bound(v2.begin(), v2.end(), t[1]) - v2.begin() + 1;
while(t[2] > arr[p].first + arr[p].second){
int a = lower_bound(v1.begin(), v1.end(), arr[p].first) - v1.begin() + 1;
int b = lower_bound(v2.begin(), v2.end(), arr[p].second) - v2.begin() + 1;
update2d(1, 1, n, a, b, -1);
p++;
}
ans[t[3]] = ask2d(1, 1, n, X, n, Y, n);
}
for(int a: ans){
cout << a << '\n';
}
}
Compilation message
examination.cpp: In function 'void INPUT()':
examination.cpp:79:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=]
79 | scanf("%d%d", arr[i].first, arr[i].second);
| ~^ ~~~~~~~~~~~~
| | |
| int* int
examination.cpp:79:19: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=]
79 | scanf("%d%d", arr[i].first, arr[i].second);
| ~^ ~~~~~~~~~~~~~
| | |
| int* int
examination.cpp:87:30: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=]
87 | int a, b, c; scanf("%d%d%d", a, b, c);
| ~^ ~
| | |
| int* int
examination.cpp:87:32: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=]
87 | int a, b, c; scanf("%d%d%d", a, b, c);
| ~^ ~
| | |
| int* int
examination.cpp:87:34: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'int' [-Wformat=]
87 | int a, b, c; scanf("%d%d%d", a, b, c);
| ~^ ~
| | |
| int* int
examination.cpp:79:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
79 | scanf("%d%d", arr[i].first, arr[i].second);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:87:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
87 | int a, b, c; scanf("%d%d%d", a, b, c);
| ~~~~~^~~~~~~~~~~~~~~~~~~
examination.cpp:87:27: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
87 | int a, b, c; scanf("%d%d%d", a, b, c);
| ~~~~~^~~~~~~~~~~~~~~~~~~
examination.cpp:87:27: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
examination.cpp:87:27: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
14 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
14 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
14 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
14 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
