#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
struct query { int A,B,C,i; };
pii s[100000];
vi a,b;
bool comp(pii a,pii b) {
return a.first+a.second > b.first+b.second;
}
bool comp2(query a,query b) {
return a.C > b.C;
}
query queries[100000];
int ans[100000];
int bit[100001];
vpii bit2[100001];
int main() {
int i;
int N,Q;
scanf("%d %d",&N,&Q);
for (i = 0; i < N; i++) {
scanf("%d %d",&s[i].first,&s[i].second);
a.pb(-s[i].first),b.pb(-s[i].second);
}
sort(s,s+N,comp);
sort(a.begin(),a.end());
a.resize(unique(a.begin(),a.end())-a.begin());
sort(b.begin(),b.end());
b.resize(unique(b.begin(),b.end())-b.begin());
for (i = 0; i < Q; i++) scanf("%d %d %d",&queries[i].A,&queries[i].B,&queries[i].C),queries[i].i = i;
sort(queries,queries+Q,comp2);
int j = 0,k;
for (i = 0; i < Q; i++) {
while ((j < N) && (s[j].first+s[j].second >= queries[i].C)) {
int x = lower_bound(a.begin(),a.end(),-s[j].first)-a.begin();
int y = lower_bound(b.begin(),b.end(),-s[j].second)-b.begin();
for (k = x+1; k <= a.size(); k += k & (-k)) bit2[k].pb(mp(y,-1));
j++;
}
int x = upper_bound(a.begin(),a.end(),-queries[i].A)-a.begin()-1;
int y = upper_bound(b.begin(),b.end(),-queries[i].B)-b.begin()-1;
for (k = x+1; k > 0; k -= k & (-k)) bit2[k].pb(mp(y,queries[i].i));
}
for (i = 1; i <= a.size(); i++) {
for (j = 0; j < bit2[i].size(); j++) {
if (bit2[i][j].second == -1) {
for (k = bit2[i][j].first+1; k <= b.size(); k += k & (-k)) bit[k]++;
}
else {
for (k = bit2[i][j].first+1; k > 0; k -= k & (-k)) ans[bit2[i][j].second] += bit[k];
}
}
for (j = 0; j < bit2[i].size(); j++) {
if (bit2[i][j].second == -1) {
for (k = bit2[i][j].first+1; k <= b.size(); k += k & (-k)) bit[k] = 0;
}
}
}
for (i = 0; i < Q; i++) printf("%d\n",ans[i]);
return 0;
}
Compilation message
examination.cpp: In function 'int main()':
examination.cpp:92:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (k = x+1; k <= a.size(); k += k & (-k)) bit2[k].pb(mp(y,-1));
~~^~~~~~~~~~~
examination.cpp:99:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 1; i <= a.size(); i++) {
~~^~~~~~~~~~~
examination.cpp:100:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < bit2[i].size(); j++) {
~~^~~~~~~~~~~~~~~~
examination.cpp:102:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (k = bit2[i][j].first+1; k <= b.size(); k += k & (-k)) bit[k]++;
~~^~~~~~~~~~~
examination.cpp:108:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < bit2[i].size(); j++) {
~~^~~~~~~~~~~~~~~~
examination.cpp:110:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (k = bit2[i][j].first+1; k <= b.size(); k += k & (-k)) bit[k] = 0;
~~^~~~~~~~~~~
examination.cpp:74:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&Q);
~~~~~^~~~~~~~~~~~~~~
examination.cpp:76:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&s[i].first,&s[i].second);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:84:88: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (i = 0; i < Q; i++) scanf("%d %d %d",&queries[i].A,&queries[i].B,&queries[i].C),queries[i].i = i;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2688 KB |
Output is correct |
2 |
Correct |
4 ms |
2688 KB |
Output is correct |
3 |
Correct |
3 ms |
2688 KB |
Output is correct |
4 |
Correct |
3 ms |
2688 KB |
Output is correct |
5 |
Correct |
3 ms |
2688 KB |
Output is correct |
6 |
Correct |
3 ms |
2688 KB |
Output is correct |
7 |
Correct |
10 ms |
3200 KB |
Output is correct |
8 |
Correct |
10 ms |
3200 KB |
Output is correct |
9 |
Correct |
10 ms |
3200 KB |
Output is correct |
10 |
Correct |
8 ms |
3200 KB |
Output is correct |
11 |
Correct |
8 ms |
2944 KB |
Output is correct |
12 |
Correct |
6 ms |
2944 KB |
Output is correct |
13 |
Correct |
10 ms |
3328 KB |
Output is correct |
14 |
Correct |
10 ms |
3328 KB |
Output is correct |
15 |
Correct |
10 ms |
3200 KB |
Output is correct |
16 |
Correct |
7 ms |
2944 KB |
Output is correct |
17 |
Correct |
8 ms |
3200 KB |
Output is correct |
18 |
Correct |
5 ms |
2816 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
303 ms |
23732 KB |
Output is correct |
2 |
Correct |
304 ms |
26256 KB |
Output is correct |
3 |
Correct |
299 ms |
26184 KB |
Output is correct |
4 |
Correct |
209 ms |
25108 KB |
Output is correct |
5 |
Correct |
133 ms |
13416 KB |
Output is correct |
6 |
Correct |
78 ms |
12212 KB |
Output is correct |
7 |
Correct |
262 ms |
27696 KB |
Output is correct |
8 |
Correct |
284 ms |
26208 KB |
Output is correct |
9 |
Correct |
254 ms |
27744 KB |
Output is correct |
10 |
Correct |
98 ms |
9948 KB |
Output is correct |
11 |
Correct |
190 ms |
25056 KB |
Output is correct |
12 |
Correct |
57 ms |
8680 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
303 ms |
23732 KB |
Output is correct |
2 |
Correct |
304 ms |
26256 KB |
Output is correct |
3 |
Correct |
299 ms |
26184 KB |
Output is correct |
4 |
Correct |
209 ms |
25108 KB |
Output is correct |
5 |
Correct |
133 ms |
13416 KB |
Output is correct |
6 |
Correct |
78 ms |
12212 KB |
Output is correct |
7 |
Correct |
262 ms |
27696 KB |
Output is correct |
8 |
Correct |
284 ms |
26208 KB |
Output is correct |
9 |
Correct |
254 ms |
27744 KB |
Output is correct |
10 |
Correct |
98 ms |
9948 KB |
Output is correct |
11 |
Correct |
190 ms |
25056 KB |
Output is correct |
12 |
Correct |
57 ms |
8680 KB |
Output is correct |
13 |
Correct |
326 ms |
26392 KB |
Output is correct |
14 |
Correct |
321 ms |
26472 KB |
Output is correct |
15 |
Correct |
298 ms |
26088 KB |
Output is correct |
16 |
Correct |
228 ms |
25312 KB |
Output is correct |
17 |
Correct |
136 ms |
13732 KB |
Output is correct |
18 |
Correct |
83 ms |
12224 KB |
Output is correct |
19 |
Correct |
345 ms |
26432 KB |
Output is correct |
20 |
Correct |
340 ms |
26552 KB |
Output is correct |
21 |
Correct |
342 ms |
27968 KB |
Output is correct |
22 |
Correct |
102 ms |
9828 KB |
Output is correct |
23 |
Correct |
205 ms |
24952 KB |
Output is correct |
24 |
Correct |
59 ms |
8552 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2688 KB |
Output is correct |
2 |
Correct |
4 ms |
2688 KB |
Output is correct |
3 |
Correct |
3 ms |
2688 KB |
Output is correct |
4 |
Correct |
3 ms |
2688 KB |
Output is correct |
5 |
Correct |
3 ms |
2688 KB |
Output is correct |
6 |
Correct |
3 ms |
2688 KB |
Output is correct |
7 |
Correct |
10 ms |
3200 KB |
Output is correct |
8 |
Correct |
10 ms |
3200 KB |
Output is correct |
9 |
Correct |
10 ms |
3200 KB |
Output is correct |
10 |
Correct |
8 ms |
3200 KB |
Output is correct |
11 |
Correct |
8 ms |
2944 KB |
Output is correct |
12 |
Correct |
6 ms |
2944 KB |
Output is correct |
13 |
Correct |
10 ms |
3328 KB |
Output is correct |
14 |
Correct |
10 ms |
3328 KB |
Output is correct |
15 |
Correct |
10 ms |
3200 KB |
Output is correct |
16 |
Correct |
7 ms |
2944 KB |
Output is correct |
17 |
Correct |
8 ms |
3200 KB |
Output is correct |
18 |
Correct |
5 ms |
2816 KB |
Output is correct |
19 |
Correct |
303 ms |
23732 KB |
Output is correct |
20 |
Correct |
304 ms |
26256 KB |
Output is correct |
21 |
Correct |
299 ms |
26184 KB |
Output is correct |
22 |
Correct |
209 ms |
25108 KB |
Output is correct |
23 |
Correct |
133 ms |
13416 KB |
Output is correct |
24 |
Correct |
78 ms |
12212 KB |
Output is correct |
25 |
Correct |
262 ms |
27696 KB |
Output is correct |
26 |
Correct |
284 ms |
26208 KB |
Output is correct |
27 |
Correct |
254 ms |
27744 KB |
Output is correct |
28 |
Correct |
98 ms |
9948 KB |
Output is correct |
29 |
Correct |
190 ms |
25056 KB |
Output is correct |
30 |
Correct |
57 ms |
8680 KB |
Output is correct |
31 |
Correct |
326 ms |
26392 KB |
Output is correct |
32 |
Correct |
321 ms |
26472 KB |
Output is correct |
33 |
Correct |
298 ms |
26088 KB |
Output is correct |
34 |
Correct |
228 ms |
25312 KB |
Output is correct |
35 |
Correct |
136 ms |
13732 KB |
Output is correct |
36 |
Correct |
83 ms |
12224 KB |
Output is correct |
37 |
Correct |
345 ms |
26432 KB |
Output is correct |
38 |
Correct |
340 ms |
26552 KB |
Output is correct |
39 |
Correct |
342 ms |
27968 KB |
Output is correct |
40 |
Correct |
102 ms |
9828 KB |
Output is correct |
41 |
Correct |
205 ms |
24952 KB |
Output is correct |
42 |
Correct |
59 ms |
8552 KB |
Output is correct |
43 |
Correct |
461 ms |
31064 KB |
Output is correct |
44 |
Correct |
405 ms |
30812 KB |
Output is correct |
45 |
Correct |
395 ms |
31400 KB |
Output is correct |
46 |
Correct |
271 ms |
29164 KB |
Output is correct |
47 |
Correct |
147 ms |
15068 KB |
Output is correct |
48 |
Correct |
84 ms |
12004 KB |
Output is correct |
49 |
Correct |
374 ms |
30144 KB |
Output is correct |
50 |
Correct |
379 ms |
31320 KB |
Output is correct |
51 |
Correct |
333 ms |
29796 KB |
Output is correct |
52 |
Correct |
123 ms |
11612 KB |
Output is correct |
53 |
Correct |
212 ms |
28636 KB |
Output is correct |