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답안 #48780

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
48780 2018-05-18T17:38:32 Z Pajaraja 운세 보기 2 (JOI14_fortune_telling2) C++17
35 / 100
 1529 ms 107444 KB 
#include <bits/stdc++.h>
#define MAXN 500007
using namespace std;
map<int,int> m;
vector<int> zh,aq[MAXN];
int a[2][MAXN],t[MAXN],seg[4*MAXN],bit[4*MAXN],lf[MAXN];
void upd(int l,int r,int v,int val,int ind)
{
	if(l==r) {seg[ind]=val; return;}
	int s=(l+r)/2;
	if(s>=v) upd(l,s,v,val,2*ind);
	else upd(s+1,r,v,val,2*ind+1);
	seg[ind]=max(seg[2*ind],seg[2*ind+1]);
}
int nmax(int l,int r,int lt,int rt,int ind)
{
	if(l>r) return 0;
	if(l>=lt  && r<=rt) return seg[ind];
	if(r<lt || l>rt) return 0;
	int s=(l+r)/2;
	return max(nmax(l,s,lt,rt,2*ind),nmax(s+1,r,lt,rt,2*ind+1));
}
void updf(int ind) {for(int i=ind;i<=MAXN;i+=(i&-i)) bit[i]++;}
int fval(int ind) 
{
	int sol=0;
	for(int i=ind;i;i-=(i&-i)) sol+=bit[i];
	return sol;
}
int main()
{
	int n,k;
	long long sol=0;
	scanf("%d%d",&n,&k);
	for(int i=0;i<n;i++) {scanf("%d%d",&a[0][i],&a[1][i]); zh.push_back(a[0][i]); zh.push_back(a[1][i]);}
	for(int i=1;i<=k;i++) {scanf("%d",&t[i]); zh.push_back(t[i]);}
	sort(zh.begin(),zh.end());
	int sz=zh.size();
	for(int i=0;i<zh.size();i++) m[zh[i]]=i;
	for(int i=1;i<=k;i++) upd(1,sz,m[t[i]],i,1);
	for(int i=0;i<n;i++) lf[i]=nmax(1,sz,m[min(a[0][i],a[1][i])],m[max(a[0][i],a[1][i])]-1,1);
	for(int i=0;i<n;i++) aq[lf[i]].push_back(i);
	for(int i=k;i>=1;i--)
	{
		updf(m[t[i]]+1);
		for(int j=0;j<aq[i].size();j++)
		{
			int b=min(a[0][aq[i][j]],a[1][aq[i][j]]),c=max(a[0][aq[i][j]],a[1][aq[i][j]]);
			if((fval(sz)-fval(m[c]))%2==0) sol+=c;
			else sol+=b; 
		}
	}
	for(int j=0;j<aq[0].size();j++)
	{
		int b=a[0][aq[0][j]],c=a[1][aq[0][j]];
		if((fval(sz)-fval(m[c]))%2==0) sol+=b;
		else sol+=c;
	}
	printf("%lld",sol);
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:39:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<zh.size();i++) m[zh[i]]=i;
              ~^~~~~~~~~~
fortune_telling2.cpp:46:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<aq[i].size();j++)
               ~^~~~~~~~~~~~~
fortune_telling2.cpp:53:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j=0;j<aq[0].size();j++)
              ~^~~~~~~~~~~~~
fortune_telling2.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~
fortune_telling2.cpp:35:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<n;i++) {scanf("%d%d",&a[0][i],&a[1][i]); zh.push_back(a[0][i]); zh.push_back(a[1][i]);}
                        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:36:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=k;i++) {scanf("%d",&t[i]); zh.push_back(t[i]);}
                         ~~~~~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12152 KB Output is correct
2 Correct 14 ms 12388 KB Output is correct
3 Correct 15 ms 12620 KB Output is correct
4 Correct 15 ms 12620 KB Output is correct
5 Correct 15 ms 12620 KB Output is correct
6 Correct 16 ms 12620 KB Output is correct
7 Correct 14 ms 12620 KB Output is correct
8 Correct 15 ms 12620 KB Output is correct
9 Correct 16 ms 12620 KB Output is correct
10 Correct 12 ms 12620 KB Output is correct
11 Correct 12 ms 12620 KB Output is correct
12 Correct 15 ms 12620 KB Output is correct
13 Correct 15 ms 12620 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 57 ms 14444 KB Output is correct
2 Correct 128 ms 16592 KB Output is correct
3 Correct 176 ms 19020 KB Output is correct
4 Correct 294 ms 20832 KB Output is correct
5 Correct 293 ms 20964 KB Output is correct
6 Correct 297 ms 20964 KB Output is correct
7 Correct 290 ms 20964 KB Output is correct
8 Correct 277 ms 21188 KB Output is correct
9 Correct 173 ms 21188 KB Output is correct
10 Correct 157 ms 21188 KB Output is correct
11 Correct 126 ms 21188 KB Output is correct
12 Correct 172 ms 21188 KB Output is correct
13 Correct 146 ms 21188 KB Output is correct
14 Correct 205 ms 21188 KB Output is correct
15 Correct 206 ms 21188 KB Output is correct
16 Correct 242 ms 21188 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 696 ms 27520 KB Output is correct
2 Correct 1000 ms 34664 KB Output is correct
3 Correct 1353 ms 40972 KB Output is correct
4 Runtime error 1529 ms 107444 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -