답안 #554726

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
554726 2022-04-29T09:50:31 Z cheetose 운세 보기 2 (JOI14_fortune_telling2) C++17
0 / 100
16 ms 30804 KB
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a))
#define MEM_1(a) memset((a),-1,sizeof(a))
#define ALL(a) a.begin(),a.end()
#define COMPRESS(a) sort(ALL(a));a.resize(unique(ALL(a))-a.begin())
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<ld> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 998244353;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 };

int a[200000],b[200000],t[200000],rev[200000];
Vi v[600000],q[600000];
int tree[1<<21];
int mx[600000];
void init(int node,int S,int E){
	if(S==E){
		tree[node]=mx[S];
		return;
	}
	int L=node<<1,R=L|1,M=S+E>>1;
	init(L,S,M);
	init(R,M+1,E);
	tree[node]=max(tree[L],tree[R]);
}
int find(int node,int S,int E,int i,int j){
	if(i>E || j<S)return -1;
	if(i<=S && j>=E)return tree[node];
	int L=node<<1,R=L|1,M=S+E>>1;
	return max(find(L,S,M,i,j),find(R,M+1,E,i,j));
}

int T[200005];
int n,m;
void upd(int i,int k){
	i++;
	while(i<=m){
		T[i]+=k;
		i+=(i&-i);
	}
}
int sum(int i){
	i++;
	int c=0;
	while(i>0){
		c+=T[i];
		i-=(i&-i);
	}
	return c;
}
int sum(int i,int j){
	return sum(j)-sum(i-1);
}
int main(){
	MEM_1(mx);
	Vi vv;
	int n,m;
	scanf("%d%d",&n,&m);
	fup(i,0,n-1,1){
		scanf("%d%d",a+i,b+i);
		vv.pb(a[i]);vv.pb(b[i]);
		if(a[i]>b[i]){
			swap(a[i],b[i]);
			rev[i]=1;
		}
	}
	fup(i,0,m-1,1){
		scanf("%d",t+i);
		vv.pb(t[i]);
	}
	COMPRESS(vv);
	int N=vv.size();
	fup(i,0,n-1,1){
		a[i]=lower_bound(ALL(vv),a[i])-vv.begin(),b[i]=lower_bound(ALL(vv),b[i])-vv.begin();
		q[b[i]].pb(i);
	}
	fup(i,0,m-1,1){
		t[i]=lower_bound(ALL(vv),t[i])-vv.begin();
		v[t[i]].pb(i);
		mx[t[i]]=i;
	}
	init(1,0,N-1);
	ll ans=0;
	fdn(k,N-1,0,1){
		for(int x:v[k])upd(x,1);
		for(int i:q[k]){
			int r=find(1,0,N-1,a[i],b[i]-1);
			int d;
			if(r==-1)d=sum(0,m-1)+rev[i];
			else d=sum(r+1,m-1);
			if(d&1)ans+=vv[b[i]];
			else ans+=vv[a[i]];
		}
	}
	printf("%lld\n",ans);
}

Compilation message

fortune_telling2.cpp: In function 'void init(int, int, int)':
fortune_telling2.cpp:52:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   52 |  int L=node<<1,R=L|1,M=S+E>>1;
      |                        ~^~
fortune_telling2.cpp: In function 'int find(int, int, int, int, int)':
fortune_telling2.cpp:60:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   60 |  int L=node<<1,R=L|1,M=S+E>>1;
      |                        ~^~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
fortune_telling2.cpp:90:2: note: in expansion of macro 'fup'
   90 |  fup(i,0,n-1,1){
      |  ^~~
fortune_telling2.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
fortune_telling2.cpp:98:2: note: in expansion of macro 'fup'
   98 |  fup(i,0,m-1,1){
      |  ^~~
fortune_telling2.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
fortune_telling2.cpp:104:2: note: in expansion of macro 'fup'
  104 |  fup(i,0,n-1,1){
      |  ^~~
fortune_telling2.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
fortune_telling2.cpp:108:2: note: in expansion of macro 'fup'
  108 |  fup(i,0,m-1,1){
      |  ^~~
fortune_telling2.cpp:11:30: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
   11 | #define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
      |                              ^
fortune_telling2.cpp:115:2: note: in expansion of macro 'fdn'
  115 |  fdn(k,N-1,0,1){
      |  ^~~
fortune_telling2.cpp:89:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
fortune_telling2.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |   scanf("%d%d",a+i,b+i);
      |   ~~~~~^~~~~~~~~~~~~~~~
fortune_telling2.cpp:99:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |   scanf("%d",t+i);
      |   ~~~~~^~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 16 ms 30804 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 16 ms 30804 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 16 ms 30804 KB Output isn't correct
2 Halted 0 ms 0 KB -