Submission #761055

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Source Code Expand

#include<iostream>
#include<iomanip>
#include<map>
#include<vector>
#include<string>
#include<stack>
using namespace std;

enum {
	WALL = 0,
	ROAD = 1,
	SEARCHED = 2,
	GOAL = 3
};

int main() {
	int H, W;
	cin >> H >> W;
	int state[502][502] = { 0 };
	stack<pair<int, int>> place;

	for (int i = 1; i <= H; i++) {
		string s;
		cin >> s;
		for (int j = 1; j <= s.length; j++) {
			switch (s[j]) {
			case 's':
				state[i][j] = SEARCHED;
				place.push(make_pair(i, j));
				break;
			case 'g':
				state[i][j] = GOAL;
				break;
			case '.':
				state[i][j] = ROAD;
				break;
			case '#':
				state[i][j] = WALL;
				break;
			}
		}
	}

	const int xy[5] = { 0, 1, 0, -1, 0 };

	while (1 <= place.size()) {
		auto p = place.top();
		place.pop();
		state[p.second][p.first] = SEARCHED;

		for (int i = 0; i < 4; i++) {
			const int y = p.first + xy[i];
			const int x = p.second + xy[i + 1];
			switch (state[x][y]) {
			case GOAL:
				cout << 'Yes' << endl;
				return 0;
			case ROAD:
				place.push(make_pair(y, x));
				break;
			}
		}
	}
	cout << 'No' << endl;
}

Submission Info

Compile Error

./Main.cpp:25:26: error: reference to non-static member function must be called; did you mean to call it with no arguments?
                for (int j = 1; j <= s.length; j++) {
                                     ~~^~~~~~
                                             ()
./Main.cpp:56:13: warning: multi-character character constant [-Wmultichar]
                                cout << 'Yes' << endl;
                                        ^
./Main.cpp:64:10: warning: multi-character character constant [-Wmultichar]
        cout << 'No' << endl;
                ^
2 warnings and 1 error generated.