Submission #202064

#	Time	Username	Problem	Language	Result	Execution time	Memory
202064		blacktulip	Maxcomp (info1cup18_maxcomp)	C++14	60 / 100	439 ms	40364 KiB

maxcomp

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;
typedef pair< lo,PII > PIII;

#define fi first
#define int long long
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 100000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 1005;
const lo mod = 1000000007;

int n,m,b[li],a[li][li],k,flag,t;
int cev=-inf;
string s;
vector<PIII> v;

main(void){
	scanf("%lld %lld",&n,&m);
	FOR{
		for(int j=1;j<=m;j++){
			scanf("%lld",&a[i][j]);
			v.pb(mp(a[i][j],mp(i,j)));
		}
	}
	sort(v.begin(),v.end());
	reverse(v.begin(),v.end());
	int bit=(int)v.size()-1;
	bit=min(bit,50ll);
	for(k=0;k<=bit;k++){
		int co=v[k].fi;
		int sat=v[k].se.fi;
		int sut=v[k].se.se;
		FOR{
			for(int j=1;j<=m;j++){
				cev=max(cev,abs(co-a[i][j])-abs(sat-i)-abs(sut-j)-1);
			}
		}
	}
	printf("%lld\n",cev);
	return 0;
}

Compilation message (stderr)

maxcomp.cpp:32:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(void){
          ^
maxcomp.cpp: In function 'int main()':
maxcomp.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~~~~~
maxcomp.cpp:36:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld",&a[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40