Submission #159701

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
159701	2019-10-24 02:17:03	silxikys	Jetpack (COCI16_jetpack)	C++14	80 / 80	36 ms	4088 KiB

jetpack

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5+5;
char grid[10][N];
int n;
bool poss[10][N];
int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    cin >> n;
    for (int i = 0; i < 10; i++) {
        for (int j = 0; j < n; j++) {
            cin >> grid[i][j];
        }
    }
    poss[9][0] = true;
    for (int j = 1; j < n; j++) {
        for (int i = 0; i < 10; i++) {
            if (grid[i][j] == 'X') continue;
            poss[i][j] |= poss[max(0,i-1)][j-1];
            poss[i][j] |= poss[min(9,i+1)][j-1];
        }
    }
    for (int j = n-2; j >= 0; j--) {
        for (int i = 0; i < 10; i++) {
            if (grid[i][j] == 'X') continue;
            bool p = false;
            p |= poss[max(0,i-1)][j+1];
 
 
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Compilation message (stderr)

jetpack.cpp: In function 'int main()':
jetpack.cpp:57:51: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
         if (pos[j+1] == pos[j] - 1 || pos[j] == 0 && pos[j+1] == 0) {

• Subtask 1: 80 / 80