#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
pair<int,int>T[LIM];
int czy[LIM], n;
vector<int>pref(vector<pair<int,int>>P, int a, int b) {
vector<int>ans(3);
if(P.size()==0) ans[2]=1;
rep(i, P.size()) {
bool zero=false, jeden=false, dwa=false;
if(P[i].st>=a && P[i].nd>=b) dwa=true;
if(P[i].st<=a && P[i].nd<=b) dwa=true;
if(P[i].st<=a && P[i].nd>=b) zero=true;
if(P[i].st>=a && P[i].nd<=b) jeden=true;
if(dwa) ans[2]=1;
if(ans[2] && zero) ans[0]=1;
if(ans[2] && jeden) ans[1]=1;
if(ans[2]==0 && ans[1]==0 && zero) ans[0]=1;
if(ans[2]==0 && ans[0]==0 && jeden) ans[1]=1;
if(ans[2]==0 && ans[1]==1 && zero) ans[2]=1;
if(ans[2]==0 && ans[0]==1 && jeden) ans[2]=1;
}
return ans;
}
vector<int>nxt(vector<int>A, vector<int>B) {
vector<int>ans(2);
ans[0]=B[0]|(A[0]&B[2]);
ans[1]=B[1]|(A[1]&B[2]);
return ans;
}
bool solve(int a, int b) {
rep(i, n) if(T[i].st==a) {
for(int j=n-1; j>i; --j) if(T[j].nd==b) {
vector<int>A(3);
for(int l=i+1; l<j; ++l) {
if(T[l].st>=a && T[l].nd>=b) A[2]=1;
if(T[l].st<=a && T[l].nd<=b) A[2]=1;
if(T[l].st<=a && T[l].nd>=b) A[0]=1;
if(T[l].st>=a && T[l].nd<=b) A[1]=1;
}
if(A[0] && A[1]) return true;
vector<pair<int,int>>P;
for(int l=0; l<i; ++l) P.pb(T[l]);
vector<int>B=pref(P, a, b);
P.clear();
for(int l=n-1; l>j; --l) P.pb(T[l]);
vector<int>C=pref(P, a, b);
vector<int>X(2), Y(2);
if(T[i].nd>=b) X[0]=1;
if(T[i].nd<=b) X[1]=1;
if(T[j].st<=a) Y[0]=1;
if(T[j].st>=a) Y[1]=1;
vector<int>D=X, E=Y;
D=nxt(D, B);
D=nxt(D, A);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, A);
D=nxt(D, B);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, B);
E=nxt(E, C);
E=nxt(E, A);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, B);
E=nxt(E, A);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
break;
}
break;
}
rep(i, n) if(T[i].nd==b) {
for(int j=n-1; j>i; --j) if(T[j].st==a) {
vector<int>A(3);
for(int l=i+1; l<j; ++l) {
if(T[l].st>=a && T[l].nd>=b) A[2]=1;
if(T[l].st<=a && T[l].nd<=b) A[2]=1;
if(T[l].st<=a && T[l].nd>=b) A[0]=1;
if(T[l].st>=a && T[l].nd<=b) A[1]=1;
}
if(A[0] && A[1]) return true;
if(A[0]+A[1]+A[2]==0) A[2]=1;
vector<pair<int,int>>P;
for(int l=0; l<i; ++l) P.pb(T[l]);
vector<int>B=pref(P, a, b);
P.clear();
for(int l=n-1; l>j; --l) P.pb(T[l]);
vector<int>C=pref(P, a, b);
vector<int>X(2), Y(2);
if(T[j].nd>=b) X[0]=1;
if(T[j].nd<=b) X[1]=1;
if(T[i].st<=a) Y[0]=1;
if(T[i].st>=a) Y[1]=1;
vector<int>D=X, E=Y;
D=nxt(D, B);
D=nxt(D, A);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, A);
D=nxt(D, B);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, B);
E=nxt(E, C);
E=nxt(E, A);
if(D[0] && E[1] || D[1] && E[0]) return true;
D=X; E=Y;
D=nxt(D, B);
E=nxt(E, A);
E=nxt(E, C);
if(D[0] && E[1] || D[1] && E[0]) return true;
break;
}
}
rep(i, n) if(T[i].st==a && T[i].nd==b) {
vector<pair<int,int>>P;
for(int j=0; j<i; ++j) P.pb(T[j]);
vector<int>A=pref(P, a, b);
P.clear();
for(int j=n-1; j>i; --j) P.pb(T[j]);
vector<int>B=pref(P, a, b);
if(A[2] && B[2]) return true;
}
return false;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int m;
cin >> n >> m;
rep(i, n) cin >> T[i].st >> T[i].nd;
rep(i, m) {
int a, b;
cin >> a >> b;
if(solve(a, b)) cout << i+1 << " ";
}
cout << '\n';
}
Compilation message
Main.cpp: In function 'std::vector<int> pref(std::vector<std::pair<int, int> >, int, int)':
Main.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
| ^
Main.cpp:16:3: note: in expansion of macro 'rep'
16 | rep(i, P.size()) {
| ^~~
Main.cpp: In function 'bool solve(int, int)':
Main.cpp:64:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
64 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:69:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
69 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:74:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
74 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:79:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
79 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:110:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
110 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:115:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
115 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:120:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
120 | if(D[0] && E[1] || D[1] && E[0]) return true;
Main.cpp:125:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
125 | if(D[0] && E[1] || D[1] && E[0]) return true;
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
2396 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
