oj.uz

답안 #14531

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
14531 2015-05-19T06:36:45 Z dohyun0324 Palembang Bridges (APIO15_bridge) C++
22 / 100
 93 ms 5084 KB 
#include<stdio.h>
#include<algorithm>
#include<queue>
using namespace std;
priority_queue<int>q;
priority_queue<int,vector<int>,greater<int> >q2;
char c1,c2;
long long dap,d[3][100010],dap2,dap3;
int t,w2,k,n,x1,x2,w,arr[200010];
struct data{
    int x,y;
    bool operator<(const data&r)const{
        return (x+y)<r.x+r.y;
    }
}a[100010];
void pro(int p)
{
    int i,c=0;
    long long sum=0,sum2=0,mid=0;
    q.empty(); q2.empty();
    q.push(min(a[1].x,a[1].y)); q2.push(max(a[1].x,a[1].y));
    d[p][1]=abs(a[1].x-a[1].y);
    sum=min(a[1].x,a[1].y); sum2=a[1].x+a[1].y;
    for(i=2;i<=w;i++){
        sum2+=a[i].x+a[i].y;
        if(q.top()>a[i].x){
            sum+=a[i].x-q.top();
            q2.push(q.top()); q.pop(); q.push(a[i].x);
        }
        else q2.push(a[i].x);
        sum+=q2.top(); q.push(q2.top()); q2.pop();
        if(q.top()>a[i].y){
            sum+=a[i].y-q.top();
            q2.push(q.top()); q.pop(); q.push(a[i].y);
        }
        else q2.push(a[i].y);
        mid=q.top();
        d[p][i]=mid*i-sum+(sum2-sum)-mid*i;
    }
}
int main()
{
    int i;
    scanf("%d %d",&k,&n);
    for(i=1;i<=n;i++){
        scanf(" %c %d %c %d",&c1,&x1,&c2,&x2);
        if(c1==c2) dap+=abs(x2-x1);
        else{w++; a[w].x=x1; a[w].y=x2; arr[++w2]=x1; arr[++w2]=x2;}
    }
    dap2=dap;
    sort(a+1,a+w+1); sort(arr+1,arr+w2+1);
    if(k==1 || k==2){
        for(i=1;i<=w2;i++) dap+=abs(arr[i]-arr[w]);
        dap3=dap;
    }
    if(k==2){
        dap=1e+15;
        pro(1); reverse(a+1,a+w+1); pro(2);
        for(i=1;i<=w;i++) dap=min(dap,d[1][i]+d[2][w-i]);
    }
    if(k==2) printf("%lld",min(dap3+w,dap+w+dap2));
    else printf("%lld",dap3+w);
    return 0;
}

Compilation message

bridge.cpp: In function 'void pro(int)':
bridge.cpp:18:11: warning: unused variable 'c' [-Wunused-variable]
     int i,c=0;
           ^
bridge.cpp: In function 'int main()':
bridge.cpp:44:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&k,&n);
                         ^
bridge.cpp:46:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c %d %c %d",&c1,&x1,&c2,&x2);
                                              ^

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5084 KB Output is correct
2 Correct 0 ms 5084 KB Output is correct
3 Correct 0 ms 5084 KB Output is correct
4 Correct 0 ms 5084 KB Output is correct
5 Correct 0 ms 5084 KB Output is correct
6 Correct 0 ms 5084 KB Output is correct
7 Correct 0 ms 5084 KB Output is correct
8 Correct 0 ms 5084 KB Output is correct
9 Correct 0 ms 5084 KB Output is correct
10 Correct 0 ms 5084 KB Output is correct
11 Correct 0 ms 5084 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5084 KB Output is correct
2 Correct 0 ms 5084 KB Output is correct
3 Correct 0 ms 5084 KB Output is correct
4 Correct 0 ms 5084 KB Output is correct
5 Correct 0 ms 5084 KB Output is correct
6 Correct 0 ms 5084 KB Output is correct
7 Correct 0 ms 5084 KB Output is correct
8 Correct 0 ms 5084 KB Output is correct
9 Correct 0 ms 5084 KB Output is correct
10 Correct 0 ms 5084 KB Output is correct
11 Correct 0 ms 5084 KB Output is correct
12 Correct 33 ms 5084 KB Output is correct
13 Correct 93 ms 5084 KB Output is correct
14 Correct 53 ms 5084 KB Output is correct
15 Correct 39 ms 5084 KB Output is correct
16 Correct 39 ms 5084 KB Output is correct
17 Correct 56 ms 5084 KB Output is correct
18 Correct 49 ms 5084 KB Output is correct
19 Correct 73 ms 5084 KB Output is correct
20 Correct 39 ms 5084 KB Output is correct
21 Correct 59 ms 5084 KB Output is correct

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5084 KB Output is correct
2 Correct 0 ms 5084 KB Output is correct
3 Correct 0 ms 5084 KB Output is correct
4 Incorrect 0 ms 5084 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5084 KB Output is correct
2 Correct 0 ms 5084 KB Output is correct
3 Correct 0 ms 5084 KB Output is correct
4 Incorrect 0 ms 5084 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5084 KB Output is correct
2 Correct 0 ms 5084 KB Output is correct
3 Correct 0 ms 5084 KB Output is correct
4 Incorrect 0 ms 5084 KB Output isn't correct
5 Halted 0 ms 0 KB -