#286003 (C++14) No.455 冬の大三角

提出ソース

結果

問題	No.455 冬の大三角
コンテスト
ユーザー	aaa
提出日時	2018-09-18 20:59:59
言語	C++14 (gcc 13.3.0 + boost 1.87.0)
結果	AC
実行時間	2 ms / 2,000 ms
コード長	6,027 bytes
コンパイル時間	999 ms
コンパイル使用メモリ	108,548 KB
実行使用メモリ	5,376 KB
最終ジャッジ日時	2024-07-18 08:05:20
合計ジャッジ時間	2,862 ms
ジャッジサーバーID （参考情報）	judge3 / judge5

このコードへのチャレンジ
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ファイルパターン	結果
sample	AC * 3
other	AC * 54

権限があれば一括ダウンロードができます

コンパイルメッセージ

main.cpp: In function 'int main()':
main.cpp:366:31: warning: 'y3' may be used uninitialized [-Wmaybe-uninitialized]
  366 |                         if (i == y3 && j == x3) {
      |                             ~~^~~~~
main.cpp:346:17: note: 'y3' was declared here
  346 |         int x3, y3;
      |                 ^~
main.cpp:366:42: warning: 'x3' may be used uninitialized [-Wmaybe-uninitialized]
  366 |                         if (i == y3 && j == x3) {
      |                                        ~~^~~~~
main.cpp:346:13: note: 'x3' was declared here
  346 |         int x3, y3;
      |             ^~
main.cpp:31:25: warning: 'y2' may be used uninitialized [-Wmaybe-uninitialized]
   31 |         int x1, y1, x2, y2;
      |                         ^~
main.cpp:119:20: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized]
  119 |                 xx = x2;
      |                 ~~~^~~~
main.cpp:31:21: note: 'x2' was declared here
   31 |         int x1, y1, x2, y2;
      |                     ^~
main.cpp:76:33: warning: 'y1' may be used uninitialized [-Wmaybe-uninitialized]
   76 |                                 if (i == y1) {
      |                                 ^~
main.cpp:31:17: note: 'y1' was declared here
   31 |         int x1, y1, x2, y2;
      |                 ^~
main.cpp:66:33: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized]
   66 |                                 if (j == x1) {
      |                                 ^~
main.cpp:31:13: note: 'x1' was declared here
   31 |         int x1, y1, x2, y2;
      |             ^~

ソースコード

raw source code

#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>
#include <sstream>

using namespace std;

int main() {
	int i, j;
	int h, w;
	vector<string>s;
	double dx, dy;
	vector<vector<bool>>mat(105, vector<bool>(105, false));

	cin >> h >> w;

	int x1, y1, x2, y2;

	for (i = 0; i < h; i++) {
		string str;
		cin >> str;
		s.push_back(str);
	}


	bool flag = false;

	for (i = 0; i < h; i++) {
		for (j = 0; j < w; j++) {
			if (s[i][j] == '*') {
				if (flag == false) {
					x1 = j;
					y1 = i;
					flag = true;
				}
				else {
					x2 = j;
					y2 = i;
					break;
				}
			}
		}
	}

	mat[y1][x1] = true;
	mat[y2][x2] = true;


	if (x1 == x2) {
		for (i = 0; i < h; i++) {
			for (j = 0; j < w; j++) {
				if (j == x1) {
					mat[i][j] = true;
				}
			}
		}

	}
	else if (y1 == y2) {
		for (i = 0; i < h; i++) {
			for (j = 0; j < w; j++) {
				if (i == y1) {
					mat[i][j] = true;
				}
			}
		}

	}
	else if (x2 > x1) { //右下がり
		dx = (double)(x2 - x1) / (double)abs(y2 - y1);

		//if (y2 > y1) {

		double xx = x1;
		for (i = y1 - 1; i >= 0; i--) {
			xx -= dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			//if (dox < 0) break;
			if (dox >= 0) {
				mat[i][dox] = true;
			}
			if (upx >= 0) {
				mat[i][upx] = true;
			}
		}

		xx = x1;

		for (i = y1 + 1; i < y2; i++) {
			xx += dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			//if (upx >= w) break;
			if (dox < w) {
				mat[i][dox] = true;
			}
			if (upx < w) {
				mat[i][upx] = true;
			}
		}

		xx = x2;

		for (i = y2 + 1; i < h; i++) {
			xx += dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			//if (upx >= w) break;
			if (dox < w) {
				mat[i][dox] = true;
			}
			if (upx < w) {
				mat[i][upx] = true;
			}
		}
		//}
	}
	else if (x2 < x1) { //右上がり
		dx = (double)(x1 - x2) / (double)abs(y1 - y2);

		//if (y2 > y1) {

		double xx = x1;
		for (i = y1 - 1; i >= 0; i--) {
			xx += dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			//if (upx >= w) break;
			if (dox < w) {
				mat[i][dox] = true;
			}
			if (upx < w) {
				mat[i][upx] = true;
			}
		}

		xx = x1;

		for (i = y1 + 1; i < y2; i++) {
			xx -= dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			if (dox >= 0) {
				mat[i][dox] = true;
			}
			if (upx >= 0) {
				mat[i][upx] = true;
			}
		}

		xx = x2;

		for (i = y2 + 1; i < h; i++) {
			xx -= dx;
			int dox = floor(xx);
			int upx = ceil(xx);

			//if (dox < 0) break;
			if (dox >= 0) {
				mat[i][dox] = true;
			}
			if (upx >= 0) {
				mat[i][upx] = true;
			}
		}
		//}
	}
	/*
	else if (x2 > x1) {
		dx = (double)(x2 - x1) / (double)abs(y2 - y1);

		if (y2 > y1) {  //右斜め下がり

			double xx = x1;
			for (i = y1 - 1; i >= 0; i--) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x1;

			for (i = y1 + 1; i < y2; i++) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x2;

			for (i = y2 + 1; i < h; i++) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}
		}
		else if (y2 < y1) { //右上がり直線
			double xx = x1;
			for (i = y1 - 1; i >= 0; i--) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x1;

			for (i = y1 + 1; i < y2; i++) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x2;

			for (i = y2 + 1; i < h; i++) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}
		}
	}
	else if (x2 < x1) {
		dx = (double)(x1 - x2) / (double)abs(y1 - y2);

		if (y2 < y1) { //右下がり

			double xx = x2;
			for (i = y2 - 1; i >= 0; i--) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x2;

			for (i = y2 + 1; i < y1; i++) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x1;

			for (i = y1 + 1; i < h; i++) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}
		}
		else if (y2 > y1) { //右上がり直線
			double xx = x2;
			for (i = y1 - 1; i >= 0; i--) {
				xx += dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (upx >= w) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x1;

			for (i = y1 + 1; i < y2; i++) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}

			xx = x2;

			for (i = y2 + 1; i < h; i++) {
				xx -= dx;
				int dox = floor(xx);
				int upx = ceil(xx);

				if (dox < 0) break;
				mat[i][dox] = true;
				mat[i][upx] = true;
			}
		}
	}
	*/


	int x3, y3;

	bool flag2 = false;

	for (i = 0; i < h; i++) {
		for (j = 0; j < w; j++) {
			if (mat[i][j] == false) {
				x3 = j;
				y3 = i;
				flag2 = true;
				break;
			}
		}
		if (flag2 == true) break;
	}

	cout << endl;

	for (i = 0; i < h; i++) {
		for (j = 0; j < w; j++) {
			if (i == y3 && j == x3) {
				cout << "*";
				continue;
			}
			else {
				cout << s[i][j];
			}
		}
		cout << endl;
	}

	/*
	for (i = 0; i < h; i++) {
		for (j = 0; j < w; j++) {
			if (mat[i][j] == true) {
				cout << 1;
			}
			else {
				cout << 0;
			}
		}
		cout << endl;
	}
	
	*/










	getchar();
	getchar();
	return 0;
}

yukicoder

結果

コンパイルメッセージ

ソースコード