oj.uz

Submission #67018

# Submission time Handle Problem Language Result Execution time Memory
67018 2018-08-13T08:21:52 Z osmanorhan Maxcomp (info1cup18_maxcomp) C++17
15 / 100
 3 ms 500 KB 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cmath>
#include <climits>
#include <algorithm>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <cassert>
#include <vector>
#define all(x) x.begin() , x.end()
#define fi first
#define se second
#define pb push_back
#define umax( x , y ) x = max( x , (y) )
#define umin( x , y ) x = min( x , (y) )
#define For( i , a ) for(int i=1;i<=a;i++)
#define ort (b+s)/2
#define y2 asrwjaelkf
#define y1 asseopirwjaelkf
#define set multiset

using namespace std;

typedef long long Lint;
typedef double db;
typedef pair<int,int> ii;
typedef pair<int,char> ic;
typedef pair<db,db> dd;
typedef pair<int,ii> iii;
typedef pair<ii,ii> i4;

const int maxn = 1020;
const int maxm = 1000020;
const int MOd = 998244353;

int ar[maxn][maxn];
bool used[maxn][maxn];
priority_queue<iii> q;
int yol[4][2] = {{1,0},{0,1},{-1,0},{0,-1}};

int main() {

    //freopen("asd.in","r",stdin);
    //freopen("output17.txt","w",stdout);

    int a, b;
    scanf("%d %d",&a,&b);
    for(int i=1;i<=a;i++)
    	for(int j=1;j<=b;j++) {
    		scanf("%d",&ar[i][j]);
    		q.push( iii( ar[i][j], ii( i, j ) ) );
    	}
    int ans = 0;
    while( !q.empty() ) {
    	int mal = q.top().fi;
    	int x = q.top().se.fi;
    	int y = q.top().se.se;
    	q.pop();
    	if( used[x][y] ) continue;
    	used[x][y]=1;
    	umax( ans, mal-ar[x][y]-1 );
    	for(int i=0;i<4;i++) {
    		int gox = x + yol[i][0];
    		int goy = y + yol[i][1];
    		if( 0 < gox && gox <= a && 0 < goy && goy <= b && !used[gox][goy] )
    			q.push( iii( mal-1, ii( gox, goy ) ) );
    	}
    }
    cout << ans << endl;
	return 0;
}

Compilation message

maxcomp.cpp: In function 'int main()':
maxcomp.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&a,&b);
     ~~~~~^~~~~~~~~~~~~~~
maxcomp.cpp:55:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&ar[i][j]);
       ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Incorrect 2 ms 488 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 496 KB Output is correct
2 Correct 2 ms 496 KB Output is correct
3 Correct 3 ms 500 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Incorrect 2 ms 488 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Incorrect 2 ms 488 KB Output isn't correct
4 Halted 0 ms 0 KB -