Submission #1052301

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1052301	2024-08-10 13:11:33	rxlfd314	Nafta (COI15_nafta)	C++17	34 / 100	1057 ms	27328 KiB

nafta

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#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ari2 = array<int, 2>;
using ari3 = array<int, 3>;
using arl2 = array<ll, 2>;
using arl3 = array<ll, 3>;
 
#define vt vector
#define size(x) (int((x).size()))
#define all(x) begin(x), end(x)
 
#define REP(a,b,c,d) for(int a=(b);(d)>0?a<=(c):a>=(c);a+=(d))
#define FOR(a,b,c) REP(a,b,c,1)
#define ROF(a,b,c) REP(a,b,c,-1)
 
constexpr int mxN = 2005;
int N, M, grid[mxN][mxN];
 
bool seen[mxN][mxN];
constexpr int dir[5] = {1, 0, -1, 0, 1};
int L, R, sum;
void dfs(int i, int j) {
  if (i < 0 || i >= N || j < 1 || j > M || seen[i][j] || grid[i][j] < 0)
    return;
  L = min(L, j), R = max(R, j);
  sum += grid[i][j];
  seen[i][j] = true;
 
 
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Compilation message (stderr)

nafta.cpp: In function 'void solve(int, int, long double, long double)':
nafta.cpp:86:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   86 |   int m = l + r >> 1;
      |           ~~^~~

• Subtask 1: 11 / 11
• Subtask 2: 23 / 23
• Subtask 3: 0 / 66