#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pii pair<int,int>
using namespace std;
const int maxn = 100100;
const ll mod = 30013;
map<int, int> up, down;
int tree[2*4*maxn][2];
int upmax, downmax, n;
int dp[maxn];
int dpways[maxn];
struct trapez {
public:
int a, b, c, d;
} arr[maxn];
int zeroval;
void find_zero() {
int ux = 0;
int li = 0;
int ri = downmax;
int i =1;
for(i=1;i<4*2*maxn;) {
if(li == ri) {
break;
}
else {
int mid = (li+ri)/2;
if(ux <= mid) {
ri = mid;
i = i * 2;
}
else if(ux > mid) {
li = mid + 1;
i = i * 2 + 1;
}
}
}
zeroval = i;
}
void update(int ux, int value, int valueb) {
int index = ux + zeroval;
while(index > 0) {
if(index == ux+zeroval) {
tree[index][0] += value;
tree[index][1] += valueb;
if(tree[index][1] > mod)
tree[index][1] -= mod;
}
else {
if(tree[2*index][0] == tree[2*index+1][0]) {
tree[index][0] = tree[2*index][0];
tree[index][1] = (tree[2*index][1] + tree[2*index+1][1]);
if(tree[index][1] > mod) tree[index][1] -= mod;
}
else if(tree[2*index][0] > tree[2*index+1][0]) {
tree[index][0] = tree[2*index][0];
tree[index][1] = tree[2*index][1];
}
else {
tree[index][0] = tree[2*index+1][0];
tree[index][1] = tree[2*index+1][1];
}
}
index /= 2;
}
}
pii emp;
pii query(int ql, int qr, int li=0, int ri=downmax, int index=1) {
if(li > qr || ri < ql) return emp;
else if(li >= ql && ri <= qr) return make_pair(tree[index][0], tree[index][1]);
else {
int mid = (li+ri)/2;
pii a = query(ql,qr,li,mid,2*index);
pii b = query(ql,qr,mid+1,ri,2*index+1);
if(a.first == b.first) return make_pair(a.first, (a.second+b.second)%mod);
else if(a.first > b.first) return a;
else return b;
}
}
vector<pair<int, bool> > events[2*maxn];
int main() {
emp.first = 0;
emp.second = 0;
scanf("%d", &n);
for(int i=0;i<n;i++) {
scanf("%d %d %d %d", &arr[i].a, &arr[i].b, &arr[i].c, &arr[i].d);
up[arr[i].a] = 1;
up[arr[i].b] = 1;
down[arr[i].c] = 1;
down[arr[i].d] = 1;
}
upmax = downmax = 1;
for(auto i:up) {
up[i.first] = upmax++;
}
for(auto i:down) {
down[i.first] = downmax++;
}
for(int i=0;i<n;i++) {
arr[i].a = up[arr[i].a];
arr[i].b = up[arr[i].b];
arr[i].c = down[arr[i].c];
arr[i].d = down[arr[i].d];
events[arr[i].a].push_back(make_pair(i, true));
events[arr[i].b].push_back(make_pair(i, false));
}
find_zero();
update(0,0,1);
// cout<<query(0,0).second;
int result = 0;
int ways = 0;
for(int i=1;i<=upmax;i++) {
for(auto j:events[i]) {
if(j.second) {
pii temp = query(0, arr[j.first].c);
dp[j.first] = temp.first + 1;
dpways[j.first] = temp.second;
if(dp[j.first] > result) {
result = dp[j.first];
ways = dpways[j.first];
}
else if(dp[j.first] == result) {
ways += dpways[j.first];
if(ways > mod) ways-=mod;
}
}
else update(arr[j.first].d, dp[j.first], dpways[j.first]);
}
}
printf("%d %d", result, ways);
return 0;
}
Compilation message
trapezoid.cpp: In function 'int main()':
trapezoid.cpp:94:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
~~~~~^~~~~~~~~~
trapezoid.cpp:96:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d %d", &arr[i].a, &arr[i].b, &arr[i].c, &arr[i].d);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
5112 KB |
Output is correct |
| 2 |
Correct |
7 ms |
5156 KB |
Output is correct |
| 3 |
Incorrect |
7 ms |
5276 KB |
Output isn't correct |
| 4 |
Correct |
8 ms |
5452 KB |
Output is correct |
| 5 |
Incorrect |
15 ms |
5840 KB |
Output isn't correct |
| 6 |
Incorrect |
13 ms |
6164 KB |
Output isn't correct |
| 7 |
Correct |
20 ms |
6420 KB |
Output is correct |
| 8 |
Incorrect |
25 ms |
6656 KB |
Output isn't correct |
| 9 |
Incorrect |
61 ms |
8320 KB |
Output isn't correct |
| 10 |
Correct |
88 ms |
11264 KB |
Output is correct |
| 11 |
Incorrect |
118 ms |
12800 KB |
Output isn't correct |
| 12 |
Incorrect |
252 ms |
20480 KB |
Output isn't correct |
| 13 |
Incorrect |
325 ms |
23644 KB |
Output isn't correct |
| 14 |
Incorrect |
377 ms |
26660 KB |
Output isn't correct |
| 15 |
Execution timed out |
559 ms |
28140 KB |
Time limit exceeded |
| 16 |
Execution timed out |
582 ms |
29728 KB |
Time limit exceeded |
| 17 |
Execution timed out |
522 ms |
31180 KB |
Time limit exceeded |
| 18 |
Correct |
441 ms |
32804 KB |
Output is correct |
| 19 |
Incorrect |
467 ms |
33992 KB |
Output isn't correct |
| 20 |
Execution timed out |
546 ms |
35760 KB |
Time limit exceeded |
