oj.uz

Submission #893907

# Submission time Handle Problem Language Result Execution time Memory
893907 2023-12-27T16:52:52 Z vjudge1 Meteors (POI11_met) C++14
74 / 100
 803 ms 65536 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
  
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
 
// #pragma GCC optimize("Ofast,unroll-loops,fast-math")
// #pragma GCC target("popcnt")


typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define pb push_back

const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const int N = ll(5e5)+100;
const long long inf = 2e18;
const long double eps = 1e-15L;
 
ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; }

ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;}


void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }


ll n, m, o[N], need[N], k, ql[N], qr[N], qa[N], bl[N], br[N];
ll f[N];
vector<int> check[N];
vector<int> pos[N];

void update(int p, ll x) {
	while(p <= m) {
		f[p] += x;
		p += (p & -p);
	}
}

ll get(int p) {
	ll res = 0;
	while(p > 0) {
		res += f[p];
		p -= (p & -p);
	}
	return res;
}

void Baizho() {	
	cin>>n>>m;
	for(int i = 1; i <= m; i ++) {
		cin>>o[i];
		pos[o[i]].pb(i);
	}
	for(int i = 1; i <= n; i ++) cin>>need[i];
	cin>>k;
	for(int i = 1; i <= k; i ++) cin>>ql[i]>>qr[i]>>qa[i];
	for(int i = 1; i <= n; i ++) {
		bl[i] = 1, br[i] = k;
	}
	for(int bin = 0; bin <= 30; bin ++) {
		for(int j = 0; j <= max(m, k); j ++) {
			f[j] = 0;
			check[j].clear();
		}
		bool ok = 0;
		for(int i = 1; i <= n; i ++) {
			if(bl[i] <= br[i]) {
				check[(bl[i] + br[i]) / 2].pb(i);
				ok = 1;
			}
		}
		if(!ok) break;
		for(int i = 1; i <= k; i ++) {
			if(ql[i] > qr[i]) {
//				cout<<ql[i]<<" "<<qa[i]<<" "<<get(ql[i])<<"\n";
				update(1, qa[i]);
				update(qr[i] + 1, -qa[i]);
				update(ql[i], qa[i]);
			} else {
				update(ql[i], qa[i]);
				update(qr[i] + 1, -qa[i]);
			}
			for(auto j : check[i]) {
				ll res = 0;
//				cout<<j<<" "<<i<<"\n";
				for(auto p : pos[j]) {
//					cout<<p<<" "<<get(p)<<"\n";
					res += get(p);
					if(res >= need[j]) break;
				}
//				cout<<res<<"\n";
				if(need[j] <= res) br[j] = i - 1;
				else bl[j] = i + 1;
			}
		}
	}
	for(int i = 1; i <= n; i ++) {
		if(br[i] + 1 > k) cout<<"NIE\n";
		else cout<<br[i] + 1<<"\n";
	}
}
 
signed main() {		
 
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
//   	precalc();
   	
    int ttt = 1;
//    cin>>ttt;

    for(int i=1; i<=ttt; i++) {Baizho(); }
}

Compilation message

met.cpp: In function 'void Freopen(std::string)':
met.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
met.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 39516 KB Output is correct
2 Correct 7 ms 39664 KB Output is correct
3 Correct 7 ms 39516 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 39512 KB Output is correct
2 Correct 8 ms 39516 KB Output is correct
3 Correct 8 ms 39516 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 44364 KB Output is correct
2 Correct 94 ms 46164 KB Output is correct
3 Correct 75 ms 45752 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 45396 KB Output is correct
2 Correct 76 ms 45392 KB Output is correct
3 Correct 83 ms 46084 KB Output is correct
4 Correct 27 ms 43100 KB Output is correct

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 44880 KB Output is correct
2 Correct 69 ms 46824 KB Output is correct
3 Correct 40 ms 43828 KB Output is correct
4 Correct 73 ms 46164 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 43956 KB Output is correct
2 Correct 77 ms 45400 KB Output is correct
3 Correct 57 ms 44152 KB Output is correct
4 Correct 88 ms 47424 KB Output is correct

Subtask #7
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 803 ms 62224 KB Output is correct
2 Correct 553 ms 48964 KB Output is correct
3 Correct 178 ms 45904 KB Output is correct
4 Runtime error 461 ms 65536 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 795 ms 61000 KB Output is correct
2 Correct 638 ms 49376 KB Output is correct
3 Correct 150 ms 45800 KB Output is correct
4 Runtime error 371 ms 65536 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -