Submission #1442855


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

const size_t MAX = 405;

int dp[MAX][MAX], l[MAX], r[MAX];

inline void update(int& x, const int& val) { x = min(x, val); }
int main() {
    int n;
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) scanf("%d%d", l + i, r + i);
    for (int i = 1; i <= n; i++)
        for (int j = 0; j < 401; j++)
            dp[i][j] = 1e9;
    l[0] = 0; r[0] = 400;
    for (int i = 1; i <= n; i++)
        for (int j = 0; j < 401; j++)
            for (int k = max(j - r[i - 1] + l[i - 1], 0);
                 k <= min(r[i] - l[i] + j, 400); k++)
                update(dp[i][j], dp[i - 1][k] + abs(l[i] - j));
    int res = INT_MAX;
    for (int j = 0; j < 401; j++) res = min(res, dp[n][j]);
    printf("%d", res);
}

Submission Info

Submission Time
Task E - NarrowRectangles
User nickluo
Language C++14 (GCC 5.4.1)
Score 300
Code Size 781 Byte
Status RE
Exec Time 117 ms
Memory 896 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:12:61: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n; i++) scanf("%d%d", l + i, r + i);
                                                             ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 0 / 700
Status
AC × 3
WA × 2
AC × 13
AC × 16
WA × 2
RE × 19
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_004.txt
Subtask 0_000, 0_001, 0_004, 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
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_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, 2_018.txt, 2_019.txt, 2_020.txt, 2_021.txt, 2_022.txt, 2_023.txt, 2_024.txt, 2_025.txt, 2_026.txt, 2_027.txt, 2_028.txt, 2_029.txt, 2_030.txt, 2_031.txt, 2_032.txt, 2_033.txt, 2_034.txt, 2_035.txt, 2_036.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt WA 1 ms 256 KB
0_003.txt WA 2 ms 256 KB
0_004.txt AC 1 ms 256 KB
1_005.txt AC 2 ms 896 KB
1_006.txt AC 2 ms 896 KB
1_007.txt AC 73 ms 896 KB
1_008.txt AC 30 ms 896 KB
1_009.txt AC 28 ms 896 KB
1_010.txt AC 30 ms 896 KB
1_011.txt AC 30 ms 896 KB
1_012.txt AC 29 ms 896 KB
1_013.txt AC 31 ms 896 KB
1_014.txt AC 32 ms 896 KB
1_015.txt AC 30 ms 896 KB
1_016.txt AC 31 ms 896 KB
1_017.txt AC 32 ms 896 KB
2_018.txt RE 112 ms 896 KB
2_019.txt RE 111 ms 896 KB
2_020.txt RE 112 ms 896 KB
2_021.txt RE 115 ms 896 KB
2_022.txt RE 115 ms 896 KB
2_023.txt RE 116 ms 896 KB
2_024.txt RE 115 ms 896 KB
2_025.txt RE 116 ms 896 KB
2_026.txt RE 117 ms 896 KB
2_027.txt RE 116 ms 896 KB
2_028.txt RE 115 ms 896 KB
2_029.txt RE 116 ms 896 KB
2_030.txt RE 115 ms 896 KB
2_031.txt RE 115 ms 896 KB
2_032.txt RE 115 ms 896 KB
2_033.txt RE 116 ms 896 KB
2_034.txt RE 116 ms 896 KB
2_035.txt RE 115 ms 896 KB
2_036.txt RE 115 ms 896 KB