# 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 = 5e5 + 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;
vector <int> tocomp;
unordered_map <int, int> compr[4*N];
vector <int> tree[4*N];
int mxxx[4*N];
vector < pii > vec[4*N],v,v1;
void updatefenw(int node, int idx, int val) {
for (int i = idx; i <= vec[node].size(); 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) {
vec[node].pb({val,1});
// 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) {
vec[node].pb({val,1});
// 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) {
int lee = 0;
int rii = (int)vec[node].size() - 1;
int anss = -1;
while (lee <= rii) {
int midd = (lee + rii) / 2;
if (vec[node][midd].f >= val1) anss = midd, rii = midd - 1;
else lee = midd + 1;
}
//cout<<node<<" "<<val1<<" "<<anss<<" "<<compr[node][vec[node][anss].f]<<endl;
if (anss == -1) return 0;
else
return getfenw(node,compr[node][vec[node][anss].f],(int)vec[node].size());
}
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]);
}
void update1(int node, int le ,int ri, int idx, int val) {
if (le > idx || ri < idx) return ;
if (le == ri) {
//cout<<node<<" "<<compr[node][val]<<endl;
updatefenw(node,compr[node][val],1);
return ;
}
int mid = (le + ri) / 2;
update1(2 * node, le, mid , idx, val);
update1(2*node + 1, mid + 1, ri, idx, val);
if (le <= idx && ri >= idx) {
// cout<<node<<" "<<compr[node][val]<<endl;
updatefenw(node,compr[node][val],1);
}
}
void add1(int idx) {
id = v[idx].s;
update1(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]);tocomp.pb(b[i]);
v.pb({a[i] + b[i],i});
}
sort(v.begin(),v.end());
reverse(v.begin(),v.end());
for (int i = 1; i <= q; i++) {
cin>>x[i]>>y[i]>>z[i];
tocomp.pb(x[i]);
tocomp.pb(y[i]);
v1.pb({z[i],i});
}
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;
}
for (int i = 1; i <= n; i++) {
a[i] = shes[a[i]];
b[i] = shes[b[i]];
}for (int i = 1; i <= q; i++) {
x[i] = shes[x[i]]; y[i] = shes[y[i]];
}
sort(v1.begin(),v1.end());
reverse(v1.begin(),v1.end());
cur = 0;
for(int i = 0; i < v1.size(); i++) {
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 <= 4 * mx; i++) {
sort(vec[i].begin(),vec[i].end());
int cnt = 0;
for (int j = 0; j < vec[i].size(); j++) {
if (j == 0) cnt++;
else if (vec[i][j].f != vec[i][j - 1].f) cnt++;
compr[i][vec[i][j].f] = cnt ;
//cout<<i<<" "<<vec[i][j].f<<" "<<cnt<<endl;
}
mxxx[i] = cnt;
tree[i] = vector <int> (cnt + 2,0);
}
cur = 0;
for(int i = 0; i < v1.size(); i++) {
while (cur < v.size() && v[cur].f >= v1[i].f) {
add1(cur);
cur++;
}
pas[v1[i].s] = getans(1,1,mx,x[v1[i].s],mx,y[v1[i].s]);
//cout<<endl;
}
for (int i = 1; i <= q; i++) cout<<pas[i]<<" ";
}
Compilation message
examination.cpp: In function 'void updatefenw(int, int, int)':
examination.cpp:16:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for (int i = idx; i <= vec[node].size(); i+=i&(-i)) {
| ~~^~~~~~~~~~~~~~~~~~~
examination.cpp: At global scope:
examination.cpp:87:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
87 | main() {
| ^~~~
examination.cpp: In function 'int main()':
examination.cpp:107:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
107 | for (int i = 1; i < tocomp.size(); i++) {
| ~~^~~~~~~~~~~~~~~
examination.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
121 | for(int i = 0; i < v1.size(); i++) {
| ~~^~~~~~~~~~~
examination.cpp:122:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
122 | while (cur < v.size() && v[cur].f >= v1[i].f) {
| ~~~~^~~~~~~~~~
examination.cpp:131:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
131 | for (int j = 0; j < vec[i].size(); j++) {
| ~~^~~~~~~~~~~~~~~
examination.cpp:142:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
142 | for(int i = 0; i < v1.size(); i++) {
| ~~^~~~~~~~~~~
examination.cpp:143:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
143 | while (cur < v.size() && v[cur].f >= v1[i].f) {
| ~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
98 ms |
203804 KB |
Output is correct |
| 2 |
Correct |
100 ms |
203768 KB |
Output is correct |
| 3 |
Correct |
99 ms |
203772 KB |
Output is correct |
| 4 |
Correct |
99 ms |
203856 KB |
Output is correct |
| 5 |
Correct |
99 ms |
203972 KB |
Output is correct |
| 6 |
Correct |
101 ms |
203852 KB |
Output is correct |
| 7 |
Correct |
122 ms |
209760 KB |
Output is correct |
| 8 |
Correct |
122 ms |
209812 KB |
Output is correct |
| 9 |
Correct |
123 ms |
209772 KB |
Output is correct |
| 10 |
Runtime error |
237 ms |
419880 KB |
Execution killed with signal 11 |
| 11 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
728 ms |
679916 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
728 ms |
679916 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
98 ms |
203804 KB |
Output is correct |
| 2 |
Correct |
100 ms |
203768 KB |
Output is correct |
| 3 |
Correct |
99 ms |
203772 KB |
Output is correct |
| 4 |
Correct |
99 ms |
203856 KB |
Output is correct |
| 5 |
Correct |
99 ms |
203972 KB |
Output is correct |
| 6 |
Correct |
101 ms |
203852 KB |
Output is correct |
| 7 |
Correct |
122 ms |
209760 KB |
Output is correct |
| 8 |
Correct |
122 ms |
209812 KB |
Output is correct |
| 9 |
Correct |
123 ms |
209772 KB |
Output is correct |
| 10 |
Runtime error |
237 ms |
419880 KB |
Execution killed with signal 11 |
| 11 |
Halted |
0 ms |
0 KB |
- |
