Submission #387345

#	Time	Username	Problem	Language	Result	Execution time	Memory
387345		MODDI	Food Court (JOI21_foodcourt)	C++14	2 / 100	1091 ms	524292 KiB

foodcourt

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define mp make_pair
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
using namespace std;
int n, m, q;
vi shop[70000];
int main(){
	cin>>n>>m>>q;
	while(q--){
		int tip;
		cin>>tip;
		if(tip == 1){
			int l, r, k, c;
			cin>>l>>r>>c>>k;
			l--; r--;
			for(int i = l; i <= r; i++)
			{
				for(int j = 0; j < k; j++)
					shop[i].pb(c);
					
			/*	for(auto x : shop[i])
					cout<<x<<" ";
				cout<<endl;*/
			}
		}
		else if(tip == 2){
			int l, r, k;
			cin>>l>>r>>k;
			l--; r--;
			for(int i = l; i <= r; i++){
				vi copy;
				for(int j = 0; j < shop[i].size(); j++){
					if(j < k)
						continue;
					else
						copy.pb(shop[i][j]);
				}
				shop[i] = copy;
				/*for(auto x : shop[i])
					cout<<x<<" ";
				cout<<endl;*/
			}
		}
		else{
			ll b, a;
			cin>>a>>b;
			a--;
			/*for(auto x : shop[a])
				cout<<x<<" ";
			cout<<endl;*/
			if(b > shop[a].size())	cout<<0<<endl;
			else
				cout<<shop[a][b-1]<<endl;
		}
	}
	return 0;
}

Compilation message (stderr)

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int j = 0; j < shop[i].size(); j++){
      |                    ~~^~~~~~~~~~~~~~~~
foodcourt.cpp:56:9: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |    if(b > shop[a].size()) cout<<0<<endl;
      |       ~~^~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5
• Subtask 3: 0 / 7
• Subtask 4: 0 / 21
• Subtask 5: 0 / 15
• Subtask 6: 0 / 13
• Subtask 7: 0 / 26
• Subtask 8: 0 / 11