# include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define pii pair <int, int>
using namespace std;
const int N = 1e5 + 5;
int n,q,a[N],b[N],c[N],x[N],y[N],z[N],mx,id,cnt,cur,pas[N];
unordered_map <int, int> shes,shes1;
vector <int> tocomp,tocomp1;
int mx1,cnt1;
multiset <int> ms,ms1;
unordered_map <int, int> tree[4*N];
vector < pii > v,v1;
void updatefenw(int node, int idx, int val) {
for (int i = idx; i <= mx1; i+=i&(-i)) {
tree[node][i] += val;
}
}
int getfenw(int node, int le, int ri) {
int pas = 0;
for (int i = ri; i > 0 ; i -= i&(-i)) {
pas += tree[node][i];
}
for (int i = le - 1; i > 0; i-=i&(-i)) {
pas -= tree[node][i];
}
return pas;
}
void update(int node, int le ,int ri, int idx, int val) {
if (le > idx || ri < idx) return ;
if (le == ri) {
updatefenw(node,val,1);
return ;
}
int mid = (le + ri) / 2;
update(2 * node, le, mid , idx, val);
update(2*node + 1, mid + 1, ri, idx, val);
if (le <= idx && ri >= idx) {
updatefenw(node,val,1);
}
}
int getans(int node, int le, int ri, int start, int end, int val1) {
if (le > end || ri < start) return 0;
if (le >= start && ri <= end) {
return getfenw(node,val1,mx);
}
int mid = (le + ri) / 2;
return getans(2*node, le, mid,start,end,val1) + getans(2*node + 1, mid + 1, ri, start,end,val1);
}
void add(int idx) {
id = v[idx].s;
update(1,1,mx,a[id],b[id]);
}
main() {
std::ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>n>>q;
for (int i = 1; i <= n; i++) {
cin>>a[i]>>b[i];
tocomp.pb(a[i]);
tocomp1.pb(b[i]);
ms.insert(a[i]);
ms1.insert(b[i]);
v.pb({a[i] + b[i],i});
}
sort(v.begin(),v.end());
reverse(v.begin(),v.end());
sort(tocomp.begin(),tocomp.end());
cnt = 1;
shes[tocomp[0]] = 1;
mx = 1;
for (int i = 1; i < tocomp.size(); i++) {
if (tocomp[i] != tocomp[i - 1]) cnt++;
mx = cnt;
shes[tocomp[i]] = cnt;
}
sort(tocomp1.begin(),tocomp1.end());
cnt1 = 1;
shes1[tocomp1[0]] = 1;
for (int i = 1; i < tocomp1.size(); i++) {
if (tocomp1[i] != tocomp1[i - 1]) cnt1++;
mx1 = cnt1;
shes1[tocomp1[i]] = cnt1;
}
for (int i = 1; i <= q; i++) {
cin>>x[i]>>y[i]>>z[i];
if (ms.lower_bound(x[i]) != ms.end())
x[i] = *ms.lower_bound(x[i]); else x[i] = 1e9+3;
if (ms1.lower_bound(y[i]) != ms1.end())
y[i] = *ms1.lower_bound(y[i]); else y[i] = 1e9+3;
v1.pb({z[i],i});
}
for (int i = 1; i <= n; i++) {
a[i] = shes[a[i]];
b[i] = shes1[b[i]];
}for (int i = 1; i <= q; i++) {
if (x[i] != 1e9 + 3)
x[i] = shes[x[i]]; if (y[i] != 1e9 + 3) y[i] = shes1[y[i]];
}
sort(v1.begin(),v1.end());
reverse(v1.begin(),v1.end());
cur = 0;
for(int i = 0; i < v1.size(); i++) {
if (x[i] == 1e9 + 3 || y[i] == 1e9 + 3) {
pas[v1[i].s] = 0; continue;
}
while (cur < v.size() && v[cur].f >= v1[i].f) {
add(cur);
cur++;
}
pas[v1[i].s] = getans(1,1,mx,x[v1[i].s],mx,y[v1[i].s]);
}
for (int i = 1; i <= q; i++) cout<<pas[i]<<" ";
}
Compilation message
examination.cpp:55:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
55 | main() {
| ^~~~
examination.cpp: In function 'int main()':
examination.cpp:72:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
72 | for (int i = 1; i < tocomp.size(); i++) {
| ~~^~~~~~~~~~~~~~~
examination.cpp:80:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for (int i = 1; i < tocomp1.size(); i++) {
| ~~^~~~~~~~~~~~~~~~
examination.cpp:98:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
98 | if (x[i] != 1e9 + 3)
| ^~
examination.cpp:99:28: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
99 | x[i] = shes[x[i]]; if (y[i] != 1e9 + 3) y[i] = shes1[y[i]];
| ^~
examination.cpp:104:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
104 | for(int i = 0; i < v1.size(); i++) {
| ~~^~~~~~~~~~~
examination.cpp:108:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
108 | while (cur < v.size() && v[cur].f >= v1[i].f) {
| ~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
16 ms |
22220 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
3087 ms |
395216 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
3087 ms |
395216 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
16 ms |
22220 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
