oj.uz

Submission #1101870

# Submission time Handle Problem Language Result Execution time Memory
1101870 2024-10-17T05:34:00 Z simona1230 Toll (BOI17_toll) C++17
17 / 100
 136 ms 19728 KB 
// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
int k,n,m,o;
vector<pair<int,int> > v[200001],op[200001];
void read()
{
    cin>>k>>n>>m>>o;
    for(int i=1;i<=m;i++)
    {
        int a,b,t;
        cin>>a>>b>>t;
        v[a].push_back({b,t});
        op[b].push_back({a,t});
    }
}


pair<int,int> q[200001];

long long p[200001];

void subt1()
{
    for(int i=0;i<n;i++)
    {
        p[i+1]=1e9;
        for(int j=0;j<v[i].size();j++)
        {
            long long nb=v[i][j].second;
            p[i+1]=min(p[i+1],nb);
        }
        p[i+1]+=p[i];
    }
    
    for(int i=1;i<=o;i++)
        if(p[q[i].second]-p[q[i].first]<1e9)cout<<p[q[i].second]-p[q[i].first]<<endl;
        else cout<<-1<<endl;
    exit(0);
}

long long dp[200001];

void subt2()
{
    int lm=n;
    for(int i=1;i<n;i++)
    {
        dp[i]=1e9;
        for(int j=0;j<op[i].size();j++)
        {
            pair<int,long long> nb=op[i][j];
            dp[i]=min(dp[i],dp[nb.first]+nb.second);
        }
    }
    
    for(int i=1;i<=o;i++)
        if(dp[q[i].second]<1e9)cout<<dp[q[i].second]<<endl;
        else cout<<-1<<endl;
    exit(0);
}

int lf=0;
void solve()
{
    for(int i=1;i<=o;i++)
    {
        cin>>q[i].first>>q[i].second;
        lf=min(lf,q[i].first);
    }
    
    if(k==1)subt1();
    if(lf==0)subt2();
    
    
}

int main() {
    read();
    solve();
    return 0;
}

Compilation message

toll.cpp: In function 'void subt1()':
toll.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for(int j=0;j<v[i].size();j++)
      |                     ~^~~~~~~~~~~~
toll.cpp: In function 'void subt2()':
toll.cpp:50:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         for(int j=0;j<op[i].size();j++)
      |                     ~^~~~~~~~~~~~~
toll.cpp:46:9: warning: unused variable 'lm' [-Wunused-variable]
   46 |     int lm=n;
      |         ^~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 15688 KB Output is correct
2 Correct 3 ms 12300 KB Output is correct
3 Correct 5 ms 12112 KB Output is correct
4 Correct 3 ms 12112 KB Output is correct
5 Correct 6 ms 12368 KB Output is correct
6 Correct 6 ms 12380 KB Output is correct
7 Correct 6 ms 12368 KB Output is correct
8 Correct 53 ms 15700 KB Output is correct
9 Correct 51 ms 15696 KB Output is correct
10 Correct 22 ms 12792 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 17480 KB Output is correct
2 Correct 3 ms 12112 KB Output is correct
3 Correct 3 ms 12112 KB Output is correct
4 Correct 4 ms 12112 KB Output is correct
5 Correct 4 ms 12112 KB Output is correct
6 Correct 3 ms 12112 KB Output is correct
7 Correct 20 ms 12392 KB Output is correct
8 Correct 21 ms 12368 KB Output is correct
9 Correct 60 ms 15796 KB Output is correct
10 Correct 103 ms 19324 KB Output is correct
11 Correct 79 ms 17740 KB Output is correct
12 Correct 64 ms 17484 KB Output is correct
13 Correct 136 ms 19728 KB Output is correct
14 Correct 59 ms 17616 KB Output is correct
15 Correct 57 ms 16972 KB Output is correct
16 Correct 53 ms 16996 KB Output is correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12292 KB Output is correct
2 Incorrect 3 ms 12112 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12292 KB Output is correct
2 Incorrect 3 ms 12112 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 15688 KB Output is correct
2 Correct 3 ms 12300 KB Output is correct
3 Correct 5 ms 12112 KB Output is correct
4 Correct 3 ms 12112 KB Output is correct
5 Correct 6 ms 12368 KB Output is correct
6 Correct 6 ms 12380 KB Output is correct
7 Correct 6 ms 12368 KB Output is correct
8 Correct 53 ms 15700 KB Output is correct
9 Correct 51 ms 15696 KB Output is correct
10 Correct 22 ms 12792 KB Output is correct
11 Correct 82 ms 17480 KB Output is correct
12 Correct 3 ms 12112 KB Output is correct
13 Correct 3 ms 12112 KB Output is correct
14 Correct 4 ms 12112 KB Output is correct
15 Correct 4 ms 12112 KB Output is correct
16 Correct 3 ms 12112 KB Output is correct
17 Correct 20 ms 12392 KB Output is correct
18 Correct 21 ms 12368 KB Output is correct
19 Correct 60 ms 15796 KB Output is correct
20 Correct 103 ms 19324 KB Output is correct
21 Correct 79 ms 17740 KB Output is correct
22 Correct 64 ms 17484 KB Output is correct
23 Correct 136 ms 19728 KB Output is correct
24 Correct 59 ms 17616 KB Output is correct
25 Correct 57 ms 16972 KB Output is correct
26 Correct 53 ms 16996 KB Output is correct
27 Correct 3 ms 12292 KB Output is correct
28 Incorrect 3 ms 12112 KB Output isn't correct
29 Halted 0 ms 0 KB -