Submission #8430297
Source Code Expand
#include <iostream> #include <vector> #include <algorithm> using namespace std; typedef long long int ll; int dp[2010][2010]; int p[2][2010]; int sum[2][4010][2010]; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin >> n; int a; char c; for(int i=0;i<2*n;i++){ cin >> c >> a; if(c=='W'){ p[0][a-1]=i; sum[0][i][a-1]=1; } else{ p[1][a-1]=i; sum[1][i][a-1]=1; } } for(int i=0;i<=n;i++){ for(int j=0;j<=n;j++){ dp[i][j]=1e9; } } for(int k=0;k<2;k++){ for(int i=0;i<2*n;i++){ for(int j=n-1;j>=1;j--){ sum[k][i][j-1]+=sum[k][i][j]; } } for(int i=0;i<2*n-1;i++){ for(int j=0;j<n;j++){ sum[k][i+1][j]+=sum[k][i][j]; } } } dp[0][0]=0; for(int i=0;i<n+1;i++){ for(int j=0;j<n+1;j++){ if(i<n){ int pp=p[0][i]; dp[i+1][j]=min(dp[i+1][j],dp[i][j]+sum[0][pp][i+1]+sum[1][pp][j]); } if(j<n){ int pp=p[1][j]; dp[i][j+1]=min(dp[i][j+1],dp[i][j]+sum[0][pp][i]+sum[1][pp][j+1]); } } } cout << dp[n][n] << endl; }
Submission Info
Submission Time | |
---|---|
Task | E - Sorted and Sorted |
User | KKT89 |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 1078 Byte |
Status | AC |
Exec Time | 93 ms |
Memory | 78976 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_000.txt, 0_001.txt, 0_002.txt |
All | 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 1_026.txt, 1_027.txt, 1_028.txt, 1_029.txt, 1_030.txt, 1_031.txt, 1_032.txt, 1_033.txt, 1_034.txt, 1_035.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 2 ms | 4352 KB |
0_001.txt | AC | 2 ms | 4352 KB |
0_002.txt | AC | 2 ms | 4480 KB |
1_003.txt | AC | 2 ms | 4352 KB |
1_004.txt | AC | 2 ms | 4352 KB |
1_005.txt | AC | 2 ms | 4352 KB |
1_006.txt | AC | 2 ms | 4480 KB |
1_007.txt | AC | 2 ms | 4352 KB |
1_008.txt | AC | 2 ms | 4480 KB |
1_009.txt | AC | 2 ms | 4352 KB |
1_010.txt | AC | 2 ms | 4352 KB |
1_011.txt | AC | 2 ms | 4352 KB |
1_012.txt | AC | 2 ms | 4352 KB |
1_013.txt | AC | 2 ms | 4352 KB |
1_014.txt | AC | 73 ms | 73984 KB |
1_015.txt | AC | 14 ms | 32768 KB |
1_016.txt | AC | 56 ms | 65792 KB |
1_017.txt | AC | 24 ms | 43264 KB |
1_018.txt | AC | 3 ms | 9344 KB |
1_019.txt | AC | 11 ms | 26496 KB |
1_020.txt | AC | 65 ms | 71936 KB |
1_021.txt | AC | 28 ms | 45312 KB |
1_022.txt | AC | 16 ms | 34816 KB |
1_023.txt | AC | 56 ms | 65792 KB |
1_024.txt | AC | 90 ms | 78720 KB |
1_025.txt | AC | 90 ms | 78976 KB |
1_026.txt | AC | 90 ms | 78976 KB |
1_027.txt | AC | 90 ms | 78976 KB |
1_028.txt | AC | 90 ms | 78976 KB |
1_029.txt | AC | 90 ms | 78976 KB |
1_030.txt | AC | 90 ms | 78976 KB |
1_031.txt | AC | 90 ms | 78976 KB |
1_032.txt | AC | 92 ms | 78976 KB |
1_033.txt | AC | 91 ms | 78976 KB |
1_034.txt | AC | 93 ms | 78976 KB |
1_035.txt | AC | 93 ms | 78976 KB |