oj.uz

Submission #39630

# Submission time Handle Problem Language Result Execution time Memory
39630 2018-01-16T19:32:33 Z Hassoony Retro (COCI17_retro) C++14
22 / 100
 500 ms 59736 KB 
#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;
    pair<char,short int>v[3];
    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;
        short int x1=DP(x-1,pp.second,open1)+add;
        if((pp.first=='('||pp.first==')'))ret=max(ret,x1);
        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];
    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(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    memset(dp,-1,sizeof(dp));
    int j;
    for(int i=1;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:76:13: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout<<DP(n,j,0)<<endl;
             ^

Subtask #1
22.0 / 100.0

# Verdict Execution time Memory Grader output
1 Partially correct 3 ms 59736 KB Partially correct
2 Correct 0 ms 59736 KB Output is correct
3 Partially correct 0 ms 59736 KB Partially correct
4 Partially correct 3 ms 59736 KB Partially correct
5 Correct 3 ms 59736 KB Output is correct
6 Partially correct 23 ms 59736 KB Partially correct
7 Partially correct 103 ms 59736 KB Partially correct
8 Partially correct 303 ms 59736 KB Partially correct
9 Execution timed out 500 ms 59736 KB Execution timed out
10 Execution timed out 500 ms 59736 KB Execution timed out
11 Execution timed out 500 ms 59736 KB Execution timed out
12 Execution timed out 500 ms 59736 KB Execution timed out
13 Execution timed out 500 ms 59736 KB Execution timed out
14 Execution timed out 500 ms 59736 KB Execution timed out
15 Execution timed out 500 ms 59736 KB Execution timed out
16 Execution timed out 500 ms 59736 KB Execution timed out
17 Execution timed out 500 ms 59736 KB Execution timed out
18 Execution timed out 500 ms 59736 KB Execution timed out
19 Execution timed out 500 ms 59736 KB Execution timed out
20 Execution timed out 500 ms 59736 KB Execution timed out