제출 #1163588

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1163588		salmon	Akcija (COCI21_akcija)	C++20	컴파일 에러	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int N;
int K;
vector<long long int> memo[2100];
vector<int> v;
const long long int inf = 1.1e18;
vector<int> W[2100];
int num = 0;

int main(){
	
	scanf(" %d",&N);
	scanf(" %d",&K);
	
	for(int i = 0; i < N; i++){
		int w;
		int d;
		scanf(" %d",&w);
		scanf(" %d",&d);
		W[d].push_back(w);
	}
	
	for(int j = 0; j <= N; j++){
		memo[j].push_back(inf);
	}
	
	
	memo[0][0] = 0;
	
	for(int i = 0; i <= N; i++){
		for(int l : W[i]){
			int num = K;
			for(int j = i; j >= max(i - 5,1); j--){
				vector<long long int> v = memo[j - 1];
				vector<long long int> v1 = memo[j];
				for(int i = 0; i <= K; i++){
					v[i] += l;
				}
				memo[j].clear();
				merge(v.begin(),v.end(),v1.begin(),v1.end(),back_inserter(memo[j]));
				for(int i = 0; i <= memo.size() - K; i++) memo[j].pop_back();
			}
		}
	}
	
	int cont = 0;
	
	for(int i = N; i >= 0; i--){
		for(int j = 0; j <= K; j++){
			if(memo[i][j] == inf) continue;
			printf("%d %lld\n",i,memo[i][j]);
			cont++;
			if(cont == K) break;
		}
		if(cont == K) break;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:43:58: error: request for member 'size' in 'memo', which is of non-class type 'std::vector<long long int> [2100]'
   43 |                                 for(int i = 0; i <= memo.size() - K; i++) memo[j].pop_back();
      |                                                          ^~~~
Main.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf(" %d",&N);
      |         ~~~~~^~~~~~~~~~
Main.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf(" %d",&K);
      |         ~~~~~^~~~~~~~~~
Main.cpp:20:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |                 scanf(" %d",&w);
      |                 ~~~~~^~~~~~~~~~
Main.cpp:21:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |                 scanf(" %d",&d);
      |                 ~~~~~^~~~~~~~~~