oj.uz

Submission #584895

# Submission time Handle Problem Language Result Execution time Memory
584895 2022-06-28T06:24:55 Z 반딧불(#8380) 도장 모으기 (JOI14_stamps) C++14
0 / 100
 114 ms 143588 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, k; ll t;
ll uin[3002], uout[3002], din[3002], dout[3002];
ll dist[3002][3002];
ll d[3002][3002];
ll ans = 1e18;

ll sumD[3002][3002];
ll DP[3002][3002];

int main(){
    scanf("%d %lld", &n, &t);
    k = n*3+6;
    for(int i=1; i<=k; i++) for(int j=1; j<=k; j++) dist[i][j] = (i==j) ? 0 : 1e18;
    for(int i=0; i<=n; i++){
        dist[3*i+3][3*i+6] = t;
        dist[3*i+4][3*i+1] = t;
    }
    dist[1][2] = dist[2][1] = dist[2][3] = dist[3][2] = 0;
    dist[k-1][k-2] = dist[k-2][k-1] = dist[k][k-1] = dist[k-1][k] = 0;

    for(int i=1; i<=n; i++){
        scanf("%lld %lld %lld %lld", &uin[i], &uout[i], &din[i], &dout[i]);
        dist[3*i+3][3*i+2] = uin[i];
        dist[3*i+2][3*i+3] = uout[i];
        dist[3*i+1][3*i+2] = din[i];
        dist[3*i+2][3*i+1] = dout[i];
    }

    for(int x=4; x<=k-3; x++){
        for(int y=4; y<=k-3; y++){
            for(int z=4; z<=k-3; z++){
                dist[y][z] = min(dist[y][z], dist[y][x] + dist[x][z]);
            }
        }
    }

    for(int i=1; i<=n; i++) for(int j=1; j<=n; j++){
        d[i][j] = dist[i*3+2][j*3+2];
    }
    for(int i=1; i<=n; i++){
        d[0][i] = t*i + dist[i*3+3][i*3+2];
        d[i][n+1] = dist[i*3+2][i*3+3] + t*(n+1-i);
    }

    for(int i=1; i<=n; i++){
        for(int j=i-1; j>=1; j--){
            sumD[i][j] = sumD[i][j+1] + d[j+1][j];
        }
    }

    for(int i=0; i<=n+1; i++) for(int j=0; j<=n+1; j++) DP[i][j] = 1e18;
    DP[0][0] = 0;
    for(int i=1; i<=n; i++){
        for(int j=0; j<i; j++){ /// �������� j
            DP[i][i] = min(DP[i][i], DP[i-1][j] + d[j][i]);
            if(j){
                for(int x=0; x<j; x++){
                    if(j-1 && !x) continue;
                    DP[i][j] = min(DP[i][j], DP[j-1][x] + d[x][i] + sumD[i][j]);
                }
            }
        }
    }
    for(int i=1; i<=n; i++){
        ans = min(ans, DP[n][i] + d[i][n+1]);
    }

    printf("%lld", ans);
}

Compilation message

stamps.cpp: In function 'int main()':
stamps.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     scanf("%d %lld", &n, &t);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
stamps.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         scanf("%lld %lld %lld %lld", &uin[i], &uout[i], &din[i], &dout[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 724 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 0 ms 596 KB Output is correct
7 Incorrect 1 ms 724 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 3284 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 114 ms 143588 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -