Submission #498125

#	Time	Username	Problem	Language	Result	Execution time	Memory
498125		vinnipuh01	Meteors (POI11_met)	C++17	100 / 100	4793 ms	65536 KiB

met

#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
//#define int long long
//#pragma GCC optimization("g", on)
//#pragma GCC optimize ("inline")
//#pragma GCC optimization("03")
//#pragma GCC optimization("unroll-loops")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")

using namespace std;

const long long oo = 1000000000000000000;

long long sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

vector <int> vv[ 300002 ];
vector <int>  v[ 300002 ];
int L[ 300002 ], R[ 300002 ];
int an[ 300002 ];
long long int t[ 1200002 ];

//void pus( int v ) {
//	if ( p[ v ] ) {
//		p[ v + v ] += p[ v ];
//		p[ v + v + 1 ] += p[ v ];
//		t[ v + v ] += p[ v ];
//		t[ v + v + 1 ] += p[ v ];
//		p[ v ] = 0;
//	}
//}

void gett( int v, int tl, int tr, int l, int r ) {
	if ( tl > r || tr < l )
		return;
	if ( tl >= l && tr <= r ) {
		num += t[ v ];
		return;
	}
//	pus( v );
	int mid = ( tl + tr ) / 2;
	if ( mid >= l )
		gett( v + v, tl, mid, l, r );
	if ( mid + 1 <= r )
		gett( v + v + 1, mid + 1, tr, l, r );
}

void upd( int v, int tl, int tr, int pos ) {
	if ( tl > pos || tr < pos )
		return;
	if ( tl == tr ) {
		t[ v ] += num;
		return;
	}
//	pus( v );.
	int mid = ( tl + tr ) / 2;
	if ( mid >= pos )
		upd( v + v, tl, mid, pos );
	if ( mid + 1 <= pos )
		upd( v + v + 1, mid + 1, tr, pos );
	t[ v ] = t[ v + v ] + t[ v + v + 1 ];
}

main () {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, m;
    cin >> n >> m;
    int a[ m + 1 ];
    for ( int i = 1; i <= m; i ++ ) {
    	cin >> a[ i ];
    	vv[ a[ i ] ].push_back( i );
    }
    int b[ n + 1 ];
    for ( int i = 1; i <= n; i ++ ) {
    	cin >> b[ i ];
    }
    int q;
    cin >> q;
    int l[ q + 1 ], r[ q + 1 ], x[ q + 1 ];
    for ( int i = 1; i <= q; i ++ ) {
    	cin >> l[ i ] >> r[ i ] >> x[ i ];
    }
    for ( int i = 1; i <= n; i ++ )
    	L[ i ] = 1, R[ i ] = q + 1;
    ans = 1;
    int mid;
    while ( ans ) {
    	ans = 0;
    	memset( t, 0, sizeof( t ) );
//    	memset( p, 0, sizeof( p ) );
		for ( int i = 1; i <= n; i ++ ) {
//			cout << i << " - " << L[ i ] << " " << R[ i ] << "\n";
			if ( L[ i ] == R[ i ] )
				continue;
    		mid = ( L[ i ] + R[ i ] ) / 2;
    		v[ mid ].push_back( i ); 
    		ans = 1;
		}
		for ( int j = 1; j <= q; j ++ ) {
			num = x[ j ];
			if ( l[ j ] <= r[ j ] )	 {
				upd( 1, 1, m, l[ j ]  );
				num = -x[ j ];
				upd( 1, 1, m, r[ j ] + 1 );
			}
			else {
				upd( 1, 1, m, 1 );
				upd( 1, 1, m, l[ j ] );
				num = -x[ j ];
				upd( 1, 1, m, r[ j ] + 1 );
			}
			if ( v[ j ].size() == 0 )
				continue;
			for ( auto i : v[ j ] ) {
				num = 0;
				for ( auto pos : vv[ i ] ) {
					gett( 1, 1, m, 1, pos );
					if ( num >= b[ i ] ) {
						break;
					}
				}
//				cout << i << " - " << num << "\n";
				if ( num >= b[ i ] )
					R[ i ] = j;
				else
					L[ i ] = j + 1;
			}
			v[ j ].clear();
		}
//		for ( int j = 1; j <= q; j ++ ) {
//			num = -x[ j ];
//			if ( l[ j ] <= r[ j ] )	
//				upd( 1, 1, m, l[ j ], r[ j ]  );
//			else
//				upd( 1, 1, m, 1, r[ j ] ), upd( 1, 1, m, l[ j ], m );
//		}
	}
	for ( int i = 1; i <= n; i ++ ) {
		if ( L[ i ] <= q )
			cout << L[ i ] << "\n";
		else
			cout << "NIE\n";
	}
}

Compilation message (stderr)

met.cpp:99:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   99 | main () {
      | ^~~~

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 13 / 13
• Subtask 6: 13 / 13
• Subtask 7: 13 / 13
• Subtask 8: 13 / 13