Submission #59045

#	Time	Username	Problem	Language	Result	Execution time	Memory
59045		sansae	리조트 (KOI16_resort)	C++14	100 / 100	4 ms	1152 KiB

resort

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <iostream>
using namespace std;

int main() {
	int n, m;
	scanf("%d %d", &n, &m);
	int goo[n];
	for(int i=0;i<n;i++){
		goo[i]=1;
	}
	int a[m];
	for(int i=0;i<m;i++){
		scanf("%d", &a[i]);
		goo[a[i]-1]=0;
	}
	int dp[n+6][4*n];
	for(int i=0;i<n+6;i++){
		for(int j=0;j<4*n;j++){
			dp[i][j]=0;
		}
	}
	for(int i=n;i<=n+5;i++){
		for(int j=0;j<4*n;j++){
			dp[i][j]=0;
		}
	}
	for(int j=3*n;j<4*n;j++){
		for(int i=0;i<n;i++){
			dp[i][j]=0;
		}
	}
	for(int i=n-1;i>=0;i--){
		for(int j=3*n-1;j>=0;j--){
			if(goo[i]==0){
				dp[i][j]=dp[i+1][j];
			}
			else{
				int aa=dp[i+1][j]+10000;
				int bb=dp[i+3][j+1]+25000;
				int cc=dp[i+5][j+2]+37000;
				int dd;
				if(j>=3){
					dd=dp[i+1][j-3];
				}
				int min=aa;
				if(min>bb){
					min=bb;
				}
				if(min>cc){
					min=cc;
				}
				if(j>=3){
					if(min>dd){
						min=dd;
					}
				}
				dp[i][j]=min;
			}
		}
	}
	printf("%d", dp[0][0]);
}

Compilation message (stderr)

resort.cpp: In function 'int main()':
resort.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
resort.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 17 / 17
• Subtask 3: 72 / 72