Submission #6879

#	Time	Username	Problem	Language	Result	Execution time	Memory
6879		gs12117	도장 모으기 (JOI14_stamps)	C++98	100 / 100	84 ms	74996 KiB

stamps

#include<stdio.h>
#define INF 999999999999999LL
int n;
long long int m;
long long int a[100100];
long long int b[100100];
long long int c[100100];
long long int d[100100];
long long int dp[3010][3010];
long long int stp;
int main(){
//	freopen("input.txt","r",stdin);
	int i,j;
	scanf("%d%lld",&n,&m);
	dp[0][0]=m;
	for(i=1;i<=n;i++){
		dp[0][i]=INF;
	}
	stp=INF;
	for(i=0;i<n;i++){
		scanf("%lld%lld%lld%lld",&a[i],&b[i],&c[i],&d[i]);
		if(stp>b[i]+c[i])stp=b[i]+c[i];
		for(j=0;j<n;j++){
			dp[i+1][j]=dp[i][j]+a[i]+b[i];
			if(dp[i+1][j]>dp[i][j+1]+a[i]+d[i])dp[i+1][j]=dp[i][j+1]+a[i]+d[i];
			if(j!=0&&dp[i+1][j]>dp[i][j-1]+b[i]+c[i])dp[i+1][j]=dp[i][j-1]+b[i]+c[i];
			if(j!=0&&dp[i+1][j]>dp[i][j]+c[i]+d[i])dp[i+1][j]=dp[i][j]+c[i]+d[i];
			if(j!=0&&dp[i+1][j]>dp[i+1][j-1]+stp)dp[i+1][j]=dp[i+1][j-1]+stp;
		}
		dp[i][n]=INF;
		for(j=0;j<n;j++){
			dp[i+1][j]+=m*(j*2+1);
		}
		stp+=2*m;
	}
	printf("%lld",dp[n][0]);
}

• Subtask 1: 10 / 10
• Subtask 2: 75 / 75
• Subtask 3: 15 / 15