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답안 #119305

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
119305 2019-06-21T02:21:02 Z tmwilliamlin168 Printed Circuit Board (CEOI12_circuit) C++14
0 / 100
 100 ms 9336 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);
	while(n>mxN);
	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:37:35: 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:37:35: 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:70:27: 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:37:8: 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

# 결과 실행 시간 메모리 Grader output
1 Incorrect 8 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 9 ms 7424 KB Output isn't correct
5 Incorrect 10 ms 7496 KB Output isn't correct
6 Incorrect 11 ms 7552 KB Output isn't correct
7 Incorrect 12 ms 7808 KB Output isn't correct
8 Incorrect 10 ms 7552 KB Output isn't correct
9 Incorrect 10 ms 7552 KB Output isn't correct
10 Incorrect 10 ms 7552 KB Output isn't correct
11 Incorrect 10 ms 7552 KB Output isn't correct
12 Incorrect 11 ms 7680 KB Output isn't correct
13 Incorrect 14 ms 7984 KB Output isn't correct
14 Incorrect 15 ms 8192 KB Output isn't correct
15 Incorrect 17 ms 8348 KB Output isn't correct
16 Incorrect 26 ms 9336 KB Output isn't correct
17 Incorrect 30 ms 9336 KB Output isn't correct
18 Execution timed out 1074 ms 7296 KB Time limit exceeded
19 Execution timed out 1076 ms 7296 KB Time limit exceeded
20 Execution timed out 1084 ms 7296 KB Time limit exceeded