oj.uz

답안 #1054068

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1054068 2024-08-12T05:47:09 Z 김은성(#11056) 무지개나라 (APIO17_rainbow) C++14
12 / 100
 33 ms 4696 KB 
#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
int dr[4] = {-1, 0, 1, 0}, dc[4] = {0, 1, 0, -1};
char dir[4] = {'N', 'E', 'S', 'W'};
bool ch[3][200009];
bool done[3][200009];
vector<int> s1, e1, s2, e2, s12, e12;
int n, m;
int r1, r2, c1, c2;
bool exist(int tr, int tc){
	return tr>=r1 && tr<=r2 && tc>=c1 && tc<=c2;
}
void dfs(int r, int c){
	done[r][c] = 1;
	for(int k=0; k<4; k++){
		int tr = r + dr[k];
		int tc = c + dc[k];
		if(exist(tr, tc) && !ch[tr][tc] && !done[tr][tc]){
			dfs(tr, tc);
		}
	}
}
void init(int R, int C, int sr, int sc, int M, char *S) {
	n = R;
	m = C;
	ch[sr][sc] = 1;
	for(int i=0; i<M; i++){
		int k;
		for(k=0; k<4; k++){
			if(S[i] == dir[k])
				break;
		}
		sr += dr[k];
		sc += dc[k];
		ch[sr][sc] = 1;
	}
	int i;
	for(i=1; i<=C; i++){
		if(!ch[1][i] && (i==1 || ch[1][i-1])){
			s1.push_back(i);
		}
		if(!ch[2][i] && (i==1 || ch[2][i-1])){
			s2.push_back(i);
		}
		if(!ch[1][i] && (i==C || ch[1][i+1])){
			e1.push_back(i);
		}
		if(!ch[2][i] && (i==C || ch[2][i+1])){
			e2.push_back(i);
		}
		if(!(ch[1][i] && ch[2][i]) && (i==1 || (ch[1][i-1] && ch[2][i-1]))){
			s12.push_back(i);
			//printf("s12: %d\n", i);
		}
		if(!(ch[1][i] && ch[2][i]) && (i==C || (ch[1][i+1] && ch[2][i+1]))){
			e12.push_back(i);
			//printf("e12: %d\n", i);
		}
	}
}
int colour(int ar, int ac, int br, int bc) {
	int i, j;
	if(ar==1 && br==1){
		//printf("here\n");
		int idx1 = lower_bound(e1.begin(), e1.end(), ac) - e1.begin();
		int idx2 = upper_bound(s1.begin(), s1.end(), bc) - s1.begin() - 1;
		return idx2 - idx1 + 1;
	}
	
	if(ar==2 && br==2){
		int idx1 = lower_bound(e2.begin(), e2.end(), ac) - e2.begin();
		int idx2 = upper_bound(s2.begin(), s2.end(), bc) - s2.begin() - 1;
		return idx2 - idx1 + 1;
	}
	
	if(ar==1 && br==2){
		int idx1 = lower_bound(e12.begin(), e12.end(), ac) - e12.begin();
		int idx2 = upper_bound(s12.begin(), s12.end(), bc) - s12.begin() - 1;
		return idx2 - idx1 + 1;
	}
}

Compilation message

rainbow.cpp: In function 'int colour(int, int, int, int)':
rainbow.cpp:63:6: warning: unused variable 'i' [-Wunused-variable]
   63 |  int i, j;
      |      ^
rainbow.cpp:63:9: warning: unused variable 'j' [-Wunused-variable]
   63 |  int i, j;
      |         ^
rainbow.cpp:82:1: warning: control reaches end of non-void function [-Wreturn-type]
   82 | }
      | ^

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 28 ms 3932 KB Output is correct
4 Correct 31 ms 4176 KB Output is correct
5 Correct 32 ms 4308 KB Output is correct
6 Correct 31 ms 4432 KB Output is correct
7 Correct 33 ms 4696 KB Output is correct
8 Correct 26 ms 3932 KB Output is correct
9 Correct 33 ms 4316 KB Output is correct
10 Correct 33 ms 4440 KB Output is correct
11 Correct 33 ms 4312 KB Output is correct
12 Correct 26 ms 4024 KB Output is correct
13 Correct 26 ms 4228 KB Output is correct
14 Correct 27 ms 4392 KB Output is correct
15 Correct 27 ms 4400 KB Output is correct
16 Correct 27 ms 3972 KB Output is correct

Subtask #3
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 1 ms 604 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -