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Submission #924119

# Submission time Handle Problem Language Result Execution time Memory
924119 2024-02-08T13:23:50 Z pcc Lightning Rod (NOI18_lightningrod) C++14
80 / 100
 2000 ms 78676 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt,sse4")

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int mxn = 1e7+10;
pii arr[mxn];
int N;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N;
	for(int i = 0;i<N;i++){
		cin>>arr[i].fs>>arr[i].sc;
		arr[i] = make_pair(arr[i].fs-arr[i].sc,arr[i].fs+arr[i].sc);
		arr[i].sc = -arr[i].sc;
	}
	sort(arr,arr+N);
	int ans = 0,big = INT_MIN;
	for(int i = 0;i<N;i++){
		//cout<<arr[i].fs<<','<<arr[i].sc<<' ';
		arr[i].sc = -arr[i].sc;
		ans += (big<arr[i].sc);
		big = (big<arr[i].sc?arr[i].sc:big);
	}
	cout<<ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1230 ms 76628 KB Output is correct
2 Correct 1215 ms 76784 KB Output is correct
3 Correct 1194 ms 74648 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 41 ms 2920 KB Output is correct
15 Correct 38 ms 2648 KB Output is correct
16 Correct 38 ms 2896 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1270 ms 78676 KB Output is correct
2 Correct 1259 ms 78596 KB Output is correct
3 Correct 1231 ms 76540 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1230 ms 76628 KB Output is correct
2 Correct 1215 ms 76784 KB Output is correct
3 Correct 1194 ms 74648 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 41 ms 2920 KB Output is correct
18 Correct 38 ms 2648 KB Output is correct
19 Correct 38 ms 2896 KB Output is correct
20 Correct 1270 ms 78676 KB Output is correct
21 Correct 1259 ms 78596 KB Output is correct
22 Correct 1231 ms 76540 KB Output is correct
23 Execution timed out 2025 ms 72580 KB Time limit exceeded
24 Halted 0 ms 0 KB -