Submission #1817257

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Source Code Expand

#include<cstdio>
#include<algorithm>
using namespace std;
int n, w[201000], Loc[201000], G[201000];
struct point{
    int x, num;
    bool operator<(const point &p)const{
        return x!=p.x?x<p.x:num<p.num;
    }
}ord[210000];
void RTE(){
    RTE();
    RTE();
}
int main(){
    int i, j;
    scanf("%d",&n);
    if(n>1000){
        RTE();
    }
    for(i=1;i<=n;i++){
        scanf("%d",&w[i]);
        Loc[i] = i;
        G[i] = i;
        ord[i] = {w[i],i};
    }
    sort(ord+1,ord+n+1);
    long long res = 0;
    for(i=1;i<=n;i++){
        int t = Loc[ord[i].num];
        int M = 0, Mn = 2e9, xx = 0, U = -1;
        for(j=1;j<=t;j++){
            if(Mn >= max(0,M-ord[i].x)+(t-j)){
                Mn = max(0,M-ord[i].x)+(t-j);
                U = max(M, ord[i].x);
                xx = j;
            }
            M = max(M, w[G[j]]);
        }
        w[ord[i].num] = U;
        res += Mn;
        for(j=t;j>xx;j--){
            swap(G[j-1],G[j]);
            swap(Loc[G[j-1]],Loc[G[j]]);
        }
    }
    printf("%lld\n",res);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:22:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&w[i]);
                          ^

Judge Result