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Submission #119304

# Submission time Handle Problem Language Result Execution time Memory
119304 2019-06-21T02:20:16 Z tmwilliamlin168 Printed Circuit Board (CEOI12_circuit) C++14
0 / 100
 65 ms 20872 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long

const int mxN=1e5;
int n, b[mxN], c[mxN+1], e1[mxN], e2[mxN];
array<ll, 2> a[mxN+1];
vector<int> va[mxN], vr[mxN], vp[mxN], ans;

bool cw(int x, int y, int z) {
	return (a[z][1]-a[x][1])*(a[y][0]-a[x][0])<(a[y][1]-a[x][1])*(a[z][0]-a[x][0]);
}

bool pcmp(const int &i, const int &j) {
	return a[i][1]*a[j][0]<a[j][1]*a[i][0];
}

struct scmp {
	bool operator()(const int &i, const int &j) const {
		if(e1[i]==e1[j])
			return c[e2[i]]<c[e2[j]]?!cw(e1[j], e2[j], e2[i]):cw(e1[i], e2[i], e2[j]);
		return c[e1[i]]<c[e1[j]]?cw(e1[i], e2[i], e1[j]):!cw(e1[j], e2[j], e1[i]);
	}
};
set<int, scmp> s;

int main() {
	//ios::sync_with_stdio(0);
	//cin.tie(0);

	//cin >> n;
	scanf("%d", &n);
	for(int i=0; i<n; ++i)
		//cin >> a[i][0] >> a[i][1];
		scanf("%d%d", &a[i][0], &a[i][1]);
	a[n]=a[0];
	iota(b, b+n, 0);
	return 0;
	sort(b, b+n, pcmp);
	for(int i=0; i<n; ++i) {
		c[i]=lower_bound(b, b+n, i, pcmp)-b;
		vp[c[i]].push_back(i);
	}
	c[n]=c[0];
	for(int i=0; i<n; ++i) {
		e1[i]=i;
		e2[i]=i+1;
		if(c[e2[i]]<c[e1[i]])
			swap(e1[i], e2[i]);
		if(c[e1[i]]<c[e2[i]]) {
			va[c[e1[i]]].push_back(i);
			vr[c[e2[i]]].push_back(i);
		}
	}
	for(int i=0; i<n; ++i) {
		for(int j : vr[i])
			s.erase(j);
		for(int j : va[i])
			s.insert(j);
		int mj=-1;
		for(int j : vp[i])
			if(mj<0||a[j][0]+a[j][1]<a[mj][0]+a[mj][1])
				mj=j;
		if(~mj&&(!s.size()||!cw(e1[*s.begin()], e2[*s.begin()], mj)))
			ans.push_back(mj);
	}
	//cout << ans.size() << "\n";
	printf("%d\n", ans.size());
	sort(ans.begin(), ans.end());
	for(int a : ans)
		//cout << a+1 << " ";
		printf("%d ", a+1);
}

Compilation message

circuit.cpp: In function 'int main()':
circuit.cpp:36:35: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'std::array<long long int, 2>::value_type* {aka long long int*}' [-Wformat=]
   scanf("%d%d", &a[i][0], &a[i][1]);
                                   ^
circuit.cpp:36:35: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'std::array<long long int, 2>::value_type* {aka long long int*}' [-Wformat=]
circuit.cpp:69:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n", ans.size());
                 ~~~~~~~~~~^
circuit.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
circuit.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &a[i][0], &a[i][1]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 7424 KB Output isn't correct
2 Incorrect 8 ms 7424 KB Output isn't correct
3 Incorrect 8 ms 7424 KB Output isn't correct
4 Incorrect 8 ms 7424 KB Output isn't correct
5 Incorrect 10 ms 7552 KB Output isn't correct
6 Incorrect 10 ms 7552 KB Output isn't correct
7 Incorrect 13 ms 7808 KB Output isn't correct
8 Incorrect 11 ms 7552 KB Output isn't correct
9 Incorrect 9 ms 7552 KB Output isn't correct
10 Incorrect 11 ms 7552 KB Output isn't correct
11 Incorrect 11 ms 7552 KB Output isn't correct
12 Incorrect 11 ms 7808 KB Output isn't correct
13 Incorrect 15 ms 7936 KB Output isn't correct
14 Incorrect 15 ms 8192 KB Output isn't correct
15 Incorrect 16 ms 8320 KB Output isn't correct
16 Incorrect 26 ms 9344 KB Output isn't correct
17 Incorrect 30 ms 9344 KB Output isn't correct
18 Runtime error 55 ms 20872 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 56 ms 20728 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 65 ms 20856 KB Execution killed with signal 11 (could be triggered by violating memory limits)