oj.uz

Submission #409625

# Submission time Handle Problem Language Result Execution time Memory
409625 2021-05-21T08:16:25 Z anime Fireworks (APIO16_fireworks) C++14
19 / 100
 75 ms 12848 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%d %lld",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define umax(a,b) a = max(a,b);
#define umin(a,b) a = min(a,b);
#define endi puts("");
#define eps 1e-12
const int N = 1e5+12,INF=1e18+7;
int q[N],res,dp[1001][1001];
vector <pii> g[N],ver[N];
void dfs(int x,int gl){
    if (g[x].empty())ret ;
    for (pii to:g[x])
        dfs(to.fr,gl+1);
    int i,j;
        for (i=0;i<=600;++i){
            dp[x][i]=0;
    for (pii to:g[x]){


            int mn = INF;
            for (j=0;j<=i;++j){

                mn = min(mn,dp[to.fr][i-j]+abs(to.sc-j));

            }
            dp[x][i] += mn;
        }

    }



}


main(){
    int n,m,i,j,ans=INF,sum=0;
    cin>>n>>m;
    for (i=0;i<=1000;++i){
        for (j=0;j<=1000;++j){
            dp[i][j] = INF;
        }
    }

    for (i=2;i<=m+n;++i){
        int x,y;
        cin>>x>>y;
        g[x].pb({i,y});
        if (i > n){
            dp[i][0] = 0;
        }
    }
    dfs(1,0);
    for (i=1;i<=1000;++i){
        ans = min(ans,dp[1][i]);
    }
    cout <<ans;
}

Compilation message

fireworks.cpp:54:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   54 | main(){
      | ^~~~
fireworks.cpp: In function 'int main()':
fireworks.cpp:55:25: warning: unused variable 'sum' [-Wunused-variable]
   55 |     int n,m,i,j,ans=INF,sum=0;
      |                         ^~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 12748 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12836 KB Output is correct
2 Correct 14 ms 12836 KB Output is correct
3 Correct 19 ms 12844 KB Output is correct
4 Correct 28 ms 12848 KB Output is correct
5 Correct 32 ms 12748 KB Output is correct
6 Correct 38 ms 12748 KB Output is correct
7 Correct 39 ms 12844 KB Output is correct
8 Correct 46 ms 12748 KB Output is correct
9 Correct 48 ms 12748 KB Output is correct
10 Correct 53 ms 12748 KB Output is correct
11 Correct 60 ms 12824 KB Output is correct
12 Correct 62 ms 12828 KB Output is correct
13 Correct 65 ms 12748 KB Output is correct
14 Correct 70 ms 12844 KB Output is correct
15 Correct 74 ms 12800 KB Output is correct
16 Correct 75 ms 12748 KB Output is correct
17 Correct 74 ms 12748 KB Output is correct
18 Correct 71 ms 12848 KB Output is correct
19 Correct 73 ms 12828 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 12748 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 12748 KB Output isn't correct
2 Halted 0 ms 0 KB -