oj.uz

Submission #150469

# Submission time Handle Problem Language Result Execution time Memory
150469 2019-09-01T08:28:25 Z (대충 적당한 팀명)(#3621, rose0310, cos18, baikdohyup) FunctionCup Museum (FXCUP4_museum) C++17
100 / 100
 189 ms 8424 KB 
#include "museum.h"
#include<algorithm>
#include<utility>
#include<map>
#include<iostream>
using namespace std;
typedef struct Person {
	int num,b,t,g;
};
Person P[212121];
bool cmpB(Person A, Person B) {
	return A.b < B.b;
}
bool cmpT(Person A, Person B) {
	return A.t < B.t;
}
bool cmpG(Person A, Person B) {
	return A.g < B.g;
}
long long CountSimilarPairs(std::vector<int> B, std::vector<int> T, std::vector<int> G) {
	int N = B.size();
	long long ans = 0;
	
	for (int i = 0; i < N; i++) {
		P[i].num = i;
		P[i].b = B[i];
		P[i].t = T[i];
		P[i].g = G[i];
	}
	sort(P, P + N, cmpB);
	for (int i = 0; i < N;) {
		int j;
		for (j = i + 1; j < N && P[i].b==P[j].b;j++) {
			ans += (j-i);
		}
		i = j;
	}

	sort(P, P + N, cmpT);
	for (int i = 0; i < N;) {
		int j;
		int visitB[121] = {};
		visitB[P[i].b]++;
		for (j = i + 1; j < N && P[i].t == P[j].t; j++) {
			ans += (j - i) - visitB[P[j].b];
			visitB[P[j].b]++;
		}
		i = j;
	}
	sort(P, P + N, cmpG);
	for (int i = 0; i < N;) {
		int j;
		int visitB[121] = {}, visitT[121] = {};
		map<pair<int, int>,int> m;
		visitB[P[i].b]++;
		visitT[P[i].t]++;
		m[make_pair(P[i].b, P[i].t)]++;
		for (j = i + 1; j < N && P[i].g == P[j].g; j++) {
			ans += (j - i) -visitT[P[j].t]-visitB[P[j].b]+m[make_pair(P[j].b, P[j].t)];
			visitB[P[j].b]++;
			visitT[P[j].t]++;
			m[make_pair(P[j].b, P[j].t)]++;
		}
		i = j;
	}
	return ans;
}

Compilation message

museum.cpp:7:1: warning: 'typedef' was ignored in this declaration
 typedef struct Person {
 ^~~~~~~

Subtask #1
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 10 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 7 ms 384 KB Output is correct

Subtask #2
73.0 / 73.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 10 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 7 ms 384 KB Output is correct
11 Correct 10 ms 640 KB Output is correct
12 Correct 20 ms 1408 KB Output is correct
13 Correct 58 ms 2676 KB Output is correct
14 Correct 75 ms 3696 KB Output is correct
15 Correct 119 ms 5360 KB Output is correct
16 Correct 98 ms 8296 KB Output is correct
17 Correct 120 ms 8296 KB Output is correct
18 Correct 182 ms 8296 KB Output is correct
19 Correct 189 ms 8296 KB Output is correct
20 Correct 187 ms 8424 KB Output is correct