oj.uz

Submission #38932

# Submission time Handle Problem Language Result Execution time Memory
38932 2018-01-08T06:57:02 Z moonrabbit2 Wiring (IOI17_wiring) C++14
7 / 100
 39 ms 11008 KB 
#include "wiring.h"
#include <bits/stdc++.h>
#define N 100005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<ll,bool>P;
int n,m,k;
P c[N*2];
ll dp[2*N],diff[N],mdist[N],p[2];
int plc[N],appear[2*N],amt;
ll min_total_length(vector<int> a,vector<int> b) {
    n=a.size(),m=b.size(),k=n+m;
    for(int i=0,j=0;i+j<k;){
        if(j>=m||i<n&&a[i]<b[j]){
            c[i+j+1]={(ll)a[i],0};
            i++;
        }
        else{
            c[i+j+1]={(ll)b[j],1};
            j++;
        }
    }
    for(int i=1;i<=k;i++)
        mdist[i]=1e9+10;
    p[0]=p[1]=-1;
    for(int i=1;i<=k;i++){
        if(p[!c[i].s]!=-1)
            mdist[i]=min(mdist[i],c[i].f-c[p[!c[i].s]].f);
        p[c[i].s]=i;
    }
    p[0]=p[1]=-1;
    for(int i=k;i>=1;i--){
        if(p[!c[i].s]!=-1)
            mdist[i]=min(mdist[i],c[p[!c[i].s]].f-c[i].f);
        p[c[i].s]=i;
    }
    for(int i=0;i<=2*k;i++)
        appear[i]=plc[i/2]=-1;
    appear[k]=0;
    for(int i=1;i<=k;i++){
        if(c[i].s){
            amt++;
            diff[i]=diff[i-1]+c[i].f;
        }
        else{
            amt--;
            diff[i]=diff[i-1]-c[i].f;
        }
        if(appear[amt+k]!=-1)
            plc[i]=appear[amt+k];
        appear[amt+k]=i;
    }
    for(int i=1;i<=k;i++){
        if(i)
            dp[i]=dp[i-1]+mdist[i];
        else
            dp[i]=mdist[i];
        if(plc[i]!=-1)
            dp[i]=min(dp[i],dp[plc[i]]+abs(diff[i]-diff[plc[i]]));
        //printf("%d : %lld %lld %d\n",i,dp[i],mdist[i],plc[i]);
    }
    return dp[k];
}

Compilation message

wiring.cpp: In function 'll min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:16:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
         if(j>=m||i<n&&a[i]<b[j]){
                     ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9440 KB Output is correct
2 Correct 0 ms 9440 KB Output is correct
3 Correct 0 ms 9440 KB Output is correct
4 Correct 0 ms 9440 KB Output is correct
5 Correct 0 ms 9440 KB Output is correct
6 Correct 0 ms 9440 KB Output is correct
7 Correct 0 ms 9440 KB Output is correct
8 Correct 0 ms 9440 KB Output is correct
9 Correct 0 ms 9440 KB Output is correct
10 Correct 0 ms 9440 KB Output is correct
11 Correct 0 ms 9440 KB Output is correct
12 Correct 0 ms 9440 KB Output is correct
13 Correct 0 ms 9440 KB Output is correct
14 Correct 0 ms 9440 KB Output is correct
15 Correct 0 ms 9440 KB Output is correct
16 Correct 0 ms 9440 KB Output is correct

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9440 KB Output is correct
2 Correct 0 ms 9440 KB Output is correct
3 Incorrect 33 ms 10616 KB 3rd lines differ - on the 1st token, expected: '41596985758595', found: '-7999435357678715354'
4 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9440 KB Output is correct
2 Correct 0 ms 9440 KB Output is correct
3 Incorrect 39 ms 11008 KB 3rd lines differ - on the 1st token, expected: '1068938599', found: '-359016956194795'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9440 KB Output is correct
2 Incorrect 29 ms 11008 KB 3rd lines differ - on the 1st token, expected: '373710605', found: '-24727759833570'
3 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9440 KB Output is correct
2 Correct 0 ms 9440 KB Output is correct
3 Correct 0 ms 9440 KB Output is correct
4 Correct 0 ms 9440 KB Output is correct
5 Correct 0 ms 9440 KB Output is correct
6 Correct 0 ms 9440 KB Output is correct
7 Correct 0 ms 9440 KB Output is correct
8 Correct 0 ms 9440 KB Output is correct
9 Correct 0 ms 9440 KB Output is correct
10 Correct 0 ms 9440 KB Output is correct
11 Correct 0 ms 9440 KB Output is correct
12 Correct 0 ms 9440 KB Output is correct
13 Correct 0 ms 9440 KB Output is correct
14 Correct 0 ms 9440 KB Output is correct
15 Correct 0 ms 9440 KB Output is correct
16 Correct 0 ms 9440 KB Output is correct
17 Correct 0 ms 9440 KB Output is correct
18 Correct 0 ms 9440 KB Output is correct
19 Incorrect 33 ms 10616 KB 3rd lines differ - on the 1st token, expected: '41596985758595', found: '-7999435357678715354'
20 Halted 0 ms 0 KB -