Submission #1313471

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313471		lev	Topical (NOI23_topical)	C++20	100 / 100	359 ms	133656 KiB

Main

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define pii pair<int, int>
#define all(a) a.begin(), a.end()
using namespace std;

#ifdef LOCAL
#include "C:\Users\Dell\Downloads\template\template\icpc-notebook\Utilities\debug.h"
#else
#define debug(...) 42
#endif

const int mn = 1e6 + 5, mod = 1e9 + 7, inf = 2e9;

int n, k, cur[mn], val[mn], sum[mn];
vector <vector<int>> r, u;
vector <pii> calc[mn];

void solve() {
    cin >> n >> k;
    r.resize(n + 1, vector <int> (k + 1));
    u.resize(n + 1, vector <int> (k + 1));

    for(int i = 1; i <= n; i++){
    	for(int j = 1; j <= k; j++){
    		cin >> u[i][j];
    		calc[j].push_back({u[i][j], i});
    	}
    }

    for(int i = 1; i <= k; i++) sort(all(calc[i]));

    for(int i = 1; i <= n; i++){
    	for(int j = 1; j <= k; j++){
    		cin >> r[i][j];
    	}
    }

    int ans = 0;
	for(int id = 1; id <= n; id++){
		bool check = false;
	    for(int i = 1; i <= k; i++){
	    	while(cur[i] < n && calc[i][cur[i]].fi <= val[i]){
	    		debug(i, cur[i], calc[i][cur[i]].fi, calc[i][cur[i]].se, val[i]);
	    		int j = calc[i][cur[i]].se;
	    		sum[j] ++;
	    		if(sum[j] == k){
	    			ans ++;
	    			check = true;
	    			for(int i2 = 1; i2 <= k; i2++) val[i2] += r[j][i2];
	    		}
	    		cur[i] ++;
	    	}
	    }
	    if(!check) break;
	}
    cout << ans << '\n';
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    #define task "Kawabata"
    if (fopen(task".INP", "r")) {
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }
    int t = 1;
    // cin >> t;
    while (t--) solve();
    return 0;
}
// Don't wanna lose anymore T_T
// Never let me go - Kazuo Ishiguro

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |         freopen(task".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:68:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |         freopen(task".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 28 / 28
• Subtask 3: 21 / 21
• Subtask 4: 39 / 39