Submission #80327

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
80327	2018-10-20 06:57:23	xiaowuc1	Tracks in the Snow (BOI13_tracks)	C++14	100 / 100	773 ms	308440 KiB

tracks

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#include <bits/stdc++.h>
/*
unsigned seed1 = std::chrono::system_clock::now().time_since_epoch().count();
mt19937 g1.seed(seed1);
ios_base::sync_with_stdio(false);
cin.tie(NULL);
*/
using namespace std;
const double PI = 2 * acos(0);
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<vector<ll>> matrix;
int r, c;
char g[4005][4005];
int dp[4005][4005];
pii q[4005*4005*2];
int dx[4]{-1, 1, 0, 0};
int dy[4]{0, 0, -1, 1};
int main() {
  scanf("%d%d\n", &r, &c);
  for(int i = 0; i < r; i++) {
    scanf("%s", g[i]);
 
 
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Compilation message (stderr)

tracks.cpp: In function 'int main()':
tracks.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d\n", &r, &c);
   ~~~~~^~~~~~~~~~~~~~~~~~
tracks.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", g[i]);
     ~~~~~^~~~~~~~~~~~

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