Submission #31388

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
31388	2017-08-20 17:01:02	imaxblue	Portals (BOI14_portals)	C++14	100 / 100	769 ms	57888 KiB

portals

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#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
int n, m, sx, sy, dx, dy, X, Y, P, D, A, B;
int wd[1005][1005], cx[4]={0, 1, 0, -1}, cy[4]={-1, 0, 1, 0}, nxtw[1005][1005][4];
char ch;
bool u[2050005], w[1005][1005];
queue<p3i> q;
pq<pii> q2;
int dfs(int X, int Y, int D){
    if (!w[X][Y]) return 0;
    if (nxtw[X][Y][D]!=0) return nxtw[X][Y][D];
    nxtw[X][Y][D]=dfs(X+cx[D], Y+cy[D], D)+1;
    return nxtw[X][Y][D];
}
int main(){
    flood(wd);
    scanf("%i%i", &n, &m);
    fox1(l, n){
 
 
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Compilation message (stderr)

portals.cpp: In function 'int main()':
portals.cpp:29:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i%i", &n, &m);
                          ^
portals.cpp:32:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf(" %c", &ch);
                              ^

• Subtask 1: 11 / 11
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 19 / 19
• Subtask 5: 30 / 30