Submission #127697

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
127697	2019-07-10 02:26:26	arnold518	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++14	100 / 100	146 ms	163100 KiB

joi2019_ho_t3

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 400;
const int INF = 1000000;
int N, ans;
char S[MAXN+10];
int dp[MAXN+10][MAXN+10][MAXN+10][3];
int rcnt[MAXN+10], gcnt[MAXN+10], ycnt[MAXN+10];
vector<int> rpos, gpos, ypos;
int main()
{
    int i, j;
    scanf("%d%s", &N, S+1);
    for(i=1; i<=N; i++)
    {
        rcnt[i]=rcnt[i-1]; gcnt[i]=gcnt[i-1]; ycnt[i]=ycnt[i-1];
        if(S[i]=='R') rpos.push_back(i), rcnt[i]++;
        if(S[i]=='G') gpos.push_back(i), gcnt[i]++;
        if(S[i]=='Y') ypos.push_back(i), ycnt[i]++;
        //printf("%d %d %d\n", rcnt[i], gcnt[i], ycnt[i]);
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:32:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int r=0; r<=rpos.size(); r++)
                  ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:34:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int g=0; g<=gpos.size(); g++)
                      ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int y=0; y<=ypos.size(); y++)
                          ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:44:21: warning: unused variable 'pos' [-Wunused-variable]
                 int pos=r+g+y;
                     ^~~
joi2019_ho_t3.cpp:20:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
joi2019_ho_t3.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%s", &N, S+1);
     ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 55 / 55
• Subtask 3: 15 / 15
• Subtask 4: 25 / 25