Submission #101457

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
101457	2019-03-19 02:35:54	rocketninja7	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	1643 ms	88968 KiB

tracks

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#include <cstdio>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
pair<int, int> dir[]={make_pair(0, -1), make_pair(1, 0), make_pair(0, 1), make_pair(-1, 0)};
int main(){
    int H, W;
    scanf("%d%d", &H, &W);
    char grid[H][W+1];
    for(int i=0;i<H;i++){
        scanf("%s", &grid[i]);
    }
    int dist[H][W];
    for(int i=0;i<H;i++){
        for(int j=0;j<W;j++){
            dist[i][j]=-1;
        }
    }
    dist[0][0]=1;
    queue<pair<int, int> > procA;
    queue<pair<int, int> > procB;
    procA.push(make_pair(0, 0));
    while(!procA.empty()||!procB.empty()){
        while(!procA.empty()){
            int x=procA.front().first, y=procA.front().second;
            procA.pop();
            for(int i=0;i<4;i++){
 
 
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Compilation message (stderr)

tracks.cpp: In function 'int main()':
tracks.cpp:14:29: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[(W + 1)]' [-Wformat=]
         scanf("%s", &grid[i]);
                     ~~~~~~~~^
tracks.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &H, &W);
     ~~~~~^~~~~~~~~~~~~~~~
tracks.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", &grid[i]);
         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70