oj.uz

Submission #175639

# Submission time Handle Problem Language Result Execution time Memory
175639 2020-01-07T08:46:57 Z juggernaut Gift (IZhO18_nicegift) C++14
7 / 100
 536 ms 104396 KB 
//Just try and the idea will come
#include<bits/stdc++.h>
#define int long long int
using namespace std;
int n,k,sum,mx,i,a[1000001],mn,sz,res,cnt[1000001],j,tmp;
vector<pair<int,int>>vec[1000001];
vector<int>ans[1000001];
bool flag;
main(){
    scanf("%lld%lld",&n,&k);
    for(i=1;i<=n;i++)scanf("%lld",&a[i]),mx=max(mx,a[i]),sum+=a[i];
    if(sum%k!=0||mx>sum/k){
        puts("-1");
        return 0;
    }
    tmp=0;
    for(i=1;i<=n;i++){
        tmp+=a[i];
        if(tmp>=sum/k){
            vec[sz++].push_back({a[i]-tmp+sum/k,i});
            tmp-=sum/k;
            if(tmp)vec[sz].push_back({tmp,i});
        }else vec[sz].push_back({a[i],i});
    }
    for(i=0;i<sz;i++)sort(vec[i].begin(),vec[i].end());
    while(!flag){
        mn=1e18;
        for(i=0;i<sz;i++)mn=min(mn,vec[i].back().first);
        cnt[res]=mn;
        flag=0;
        for(i=0;i<sz;i++){
            ans[res].push_back(vec[i].back().second);
            if(vec[i].back().first==mn)vec[i].pop_back();
            else vec[i].back().first-=mn;
            flag|=vec[i].empty();
        }
        if(flag)for(i=0;i<sz;i++)if(!vec[i].empty())runtime_error(0);
        res++;
    }
    printf("%lld\n",res);
    for(i=0;i<res;i++){
        printf("%lld",cnt[i]);
        for(j=0;j<k;j++)printf(" %lld",ans[i][j]);
        puts("");
    }
}

Compilation message

nicegift.cpp:9:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
nicegift.cpp: In function 'int main()':
nicegift.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&k);
     ~~~~~^~~~~~~~~~~~~~~~~~
nicegift.cpp:11:57: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++)scanf("%lld",&a[i]),mx=max(mx,a[i]),sum+=a[i];
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 47352 KB n=4
2 Correct 47 ms 47224 KB n=3
3 Correct 47 ms 47224 KB n=3
4 Correct 47 ms 47352 KB n=4
5 Correct 46 ms 47352 KB n=4
6 Correct 46 ms 47224 KB n=2

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 47352 KB n=4
2 Correct 47 ms 47224 KB n=3
3 Correct 47 ms 47224 KB n=3
4 Correct 47 ms 47352 KB n=4
5 Correct 46 ms 47352 KB n=4
6 Correct 46 ms 47224 KB n=2
7 Correct 46 ms 47352 KB n=5
8 Correct 46 ms 47240 KB n=8
9 Correct 55 ms 47224 KB n=14
10 Incorrect 47 ms 47352 KB Same heap occurs twice
11 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 47352 KB n=4
2 Correct 47 ms 47224 KB n=3
3 Correct 47 ms 47224 KB n=3
4 Correct 47 ms 47352 KB n=4
5 Correct 46 ms 47352 KB n=4
6 Correct 46 ms 47224 KB n=2
7 Correct 46 ms 47352 KB n=5
8 Correct 46 ms 47240 KB n=8
9 Correct 55 ms 47224 KB n=14
10 Incorrect 47 ms 47352 KB Same heap occurs twice
11 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 536 ms 104396 KB n=1000000
2 Correct 358 ms 83020 KB n=666666
3 Correct 222 ms 67412 KB n=400000
4 Incorrect 195 ms 60068 KB Same heap occurs twice
5 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 47352 KB n=4
2 Correct 47 ms 47224 KB n=3
3 Correct 47 ms 47224 KB n=3
4 Correct 47 ms 47352 KB n=4
5 Correct 46 ms 47352 KB n=4
6 Correct 46 ms 47224 KB n=2
7 Correct 46 ms 47352 KB n=5
8 Correct 46 ms 47240 KB n=8
9 Correct 55 ms 47224 KB n=14
10 Incorrect 47 ms 47352 KB Same heap occurs twice
11 Halted 0 ms 0 KB -