답안 #39633

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
39633	2018-01-16T19:38:43 Z	Hassoony	Retro (COCI17_retro)	C++14	49 / 100	406 ms	59736 KB

retro

#include<bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
const ll mod=1e9+7;
const short int inf=1000;
const short int MX=309;
char a[MX][MX];
short int n,m,dp[MX][MX][MX];
short int DP(short int x,short int y,short int open){
    if(y<0||y>=m||open<0)return -inf;
    if(x==0){
        if(open)return -inf;
        return 0;
    }
    if(a[x][y]=='*'){
        if(open)return -inf;
        return 0;
    }
    short int &ret=dp[x][y][open];if(ret!=-1)return ret;ret=-inf;
    pair<char,short int>v[3];
    if(y!=0)v[0]={a[x-1][y-1],y-1};
    v[1]={a[x-1][y],y};
    v[2]={a[x-1][y+1],y+1};
    sort(v,v+3);
    for(short int i=0;i<3;i++){
        pair<char,short int>pp=v[i];
        short int open1=open,add=0;
        if(pp.first=='(')open1++;
        if(pp.first==')')open1--,add=2;
        if((pp.first=='('||pp.first==')'))ret=max(ret,(short int)(DP(x-1,pp.second,open1)+add));
        ret=max(ret,DP(x-1,pp.second,open));
    }
    return ret;
}
void FDP(short int x,short int y,short int open){
    if(y<0||y>=m||open<0)return;
    if(x<=0)return;
    if(a[x][y]=='*')return;
    short int &ret=dp[x][y][open];
    pair<char,short int>v[3];
    if(y!=0)v[0]={a[x-1][y-1],y-1};
    v[1]={a[x-1][y],y};
    v[2]={a[x-1][y+1],y+1};
    sort(v,v+3);
    for(short int i=0;i<3;i++){
        pair<char,short int>pp=v[i];
        short int open1=open,add=0;
        if(pp.first=='(')open1++;
        if(pp.first==')')open1--,add=2;
        if(pp.first=='('||pp.first==')')if(ret==DP(x-1,pp.second,open1)+add){
            printf("%c",pp.first);
            FDP(x-1,pp.second,open1);
            return;
        }
        if(ret==DP(x-1,pp.second,open)){
            FDP(x-1,pp.second,open);
            return;
        }
    }
}
int main(){
    cin>>n>>m;
    for(short int i=1;i<=n;i++)scanf("%s",&a[i]);
    memset(dp,-1,sizeof(dp));
    short int j;
    for(short int i=0;i<m;i++){
        if(a[n][i]=='M')j=i;
    }
    cout<<DP(n,j,0)<<endl;
    FDP(n,j,0);
    puts("");
}

Compilation message

retro.cpp: In function 'int main()':
retro.cpp:65:48: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[309]' [-Wformat=]
     for(short int i=1;i<=n;i++)scanf("%s",&a[i]);
                                                ^
retro.cpp:65:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(short int i=1;i<=n;i++)scanf("%s",&a[i]);
                                                 ^
retro.cpp:67:15: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
     short int j;
               ^

Subtask #1

49.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Partially correct	3 ms	59736 KB	Partially correct
2	Correct	9 ms	59736 KB	Output is correct
3	Partially correct	3 ms	59736 KB	Partially correct
4	Partially correct	3 ms	59736 KB	Partially correct
5	Correct	0 ms	59736 KB	Output is correct
6	Partially correct	9 ms	59736 KB	Partially correct
7	Partially correct	6 ms	59736 KB	Partially correct
8	Partially correct	6 ms	59736 KB	Partially correct
9	Correct	13 ms	59736 KB	Output is correct
10	Partially correct	9 ms	59736 KB	Partially correct
11	Partially correct	279 ms	59736 KB	Partially correct
12	Partially correct	236 ms	59736 KB	Partially correct
13	Partially correct	116 ms	59736 KB	Partially correct
14	Partially correct	129 ms	59736 KB	Partially correct
15	Partially correct	333 ms	59736 KB	Partially correct
16	Partially correct	306 ms	59736 KB	Partially correct
17	Partially correct	279 ms	59736 KB	Partially correct
18	Partially correct	223 ms	59736 KB	Partially correct
19	Partially correct	406 ms	59736 KB	Partially correct
20	Partially correct	273 ms	59736 KB	Partially correct