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Submission #584957

# Submission time Handle Problem Language Result Execution time Memory
584957 2022-06-28T07:40:22 Z 조영욱(#8382) 도장 모으기 (JOI14_stamps) C++14
85 / 100
 108 ms 143676 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
long long t;
long long dp[3002];
long long u[3002];
long long v[3002];
long long d[3002];
long long e[3002];
long long dist[3003][3003];
const long long INF=1e15;

long long f(int l,int r) {
    if (l>r) {
        return 0;
    }
    long long ret=0;
    for(int i=l;i<=r;i++) {
        //printf("%d\n",i);
        ret+=u[i]+v[i];
    }
    return ret;
}

long long g(int l,int r) {
    if (l>r) {
        return 0;
    }
    long long ret=0;
    for(int i=l;i<=r;i++) {
        //printf("%d\n",i);
        ret+=min({u[i]+v[i],d[i]+e[i]});
    }
    return ret;
}

int main(void) {
    scanf("%d %lld",&n,&t);
    for(int i=1;i<=n;i++) {
        scanf("%lld %lld %lld %lld",&u[i],&v[i],&d[i],&e[i]);
    }
    for(int i=0;i<=3*n+5;i++) {
        for(int j=0;j<=3*n+5;j++){
            dist[i][j]=INF;
            if (i==j){
                dist[i][j]=0;
                continue;
            }
        }
    }
    for(int i=0;i<=n+1;i++) {
        if (i<=n) {
            dist[3*i][3*i+3]=t;
        }
        if (i>0) {
            dist[3*i+2][3*i-1]=t;
        }
        if (i==0||i==n+1) {
            continue;
        }
        dist[3*i][3*i+1]=u[i];
        dist[3*i+1][3*i]=v[i];
        dist[3*i+1][3*i+2]=e[i];
        dist[3*i+2][3*i+1]=d[i];
    }
    for(int k=0;k<3*n+6;k++) {
        for(int i=0;i<3*n+6;i++) {
            for(int j=0;j<3*n+6;j++) {
                dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]);
            }
        }
    }
    //printf("%lld\n",f(4,4));
    for(int i=1;i<=n+1;i++) {
        dp[i]=1e18;
        for(int j=0;j<i;j++) {
if (i==n+1) continue;
            for(int k=1;k<i;k++) {
                dp[i]=min(dp[i],dp[j]+f(j+1,k-1)+v[k]+d[k]+g(max(j+1,k+1),i-1)+u[i]+e[i]+(i-j)*t+2*(i-k)*t);
                //printf("%d %d %d %lld\n",i,j,k,dp[j]+f(j+1,k-1)+v[k]+d[k]+g(max(j+1,k+1),i-1)+u[i]+e[i]+(i-j)*t+2*(i-k)*t);
                //printf(".%d %lld\n",i,dp[i]);
            }
            //printf("%d %d %lld\n",i,j,dp[j]+f(j+1,i==n+1?n:i)+(i-j)*t);
            //printf(".%d %lld\n",i,dp[i]);
        }
        dp[i]=min(dp[i],dp[i-1]+f(i,i)+t);
        //printf("%lld\n",dp[i]);
    }
    printf("%lld",dp[n+1]);
}

Compilation message

stamps.cpp: In function 'int main()':
stamps.cpp:78:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   78 | if (i==n+1) continue;
      | ^~
stamps.cpp:79:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   79 |             for(int k=1;k<i;k++) {
      |             ^~~
stamps.cpp:39:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     scanf("%d %lld",&n,&t);
      |     ~~~~~^~~~~~~~~~~~~~~~~
stamps.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         scanf("%lld %lld %lld %lld",&u[i],&v[i],&d[i],&e[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct

Subtask #2
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 2092 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 47 ms 2260 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 8 ms 1284 KB Output is correct
7 Correct 33 ms 1996 KB Output is correct
8 Correct 44 ms 2132 KB Output is correct
9 Correct 44 ms 2204 KB Output is correct
10 Correct 53 ms 2248 KB Output is correct
11 Correct 49 ms 2288 KB Output is correct
12 Correct 48 ms 2272 KB Output is correct
13 Correct 45 ms 2260 KB Output is correct
14 Correct 44 ms 2260 KB Output is correct
15 Correct 46 ms 2276 KB Output is correct
16 Correct 55 ms 2284 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 143676 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -