Submission #78658

# Submission time Handle Problem Language Result Execution time Memory
78658 2018-10-06T21:25:20 Z duality Cake (CEOI14_cake) C++11
46.6667 / 100
2000 ms 15848 KB
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int d[250000];
set<pii,greater<pii> > S;
int tree[1 << 19];
int build(int s,int e,int i) {
    if (s == e) {
        tree[i] = d[s];
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(build(s,mid,2*i+1),build(mid+1,e,2*i+2));
    return tree[i];
}
int update(int s,int e,int ai,int i,int num) {
    if ((s > ai) || (e < ai)) return tree[i];
    else if (s == e) {
        tree[i] = d[s] = num;
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num));
    return tree[i];
}
int query(int s,int e,int qs,int qe,int i) {
    if ((s > qe) || (e < qs)) return 0;
    else if ((s >= qs) && (e <= qe)) return tree[i];

    int mid = (s+e) / 2;
    return max(query(s,mid,qs,qe,2*i+1),query(mid+1,e,qs,qe,2*i+2));
}
int main() {
    int i,j;
    int N,Q,a;
    char c;
    int p,e,b;
    scanf("%d %d",&N,&a),a--;
    for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
    scanf("%d",&Q);
    build(0,N-1,0);
    for (i = 0; i < Q; i++) {
        scanf(" %c",&c);
        if (c == 'E') {
            scanf("%d %d",&p,&e),p--;
            vpii v;
            for (j = 0; j < e-1; j++) v.pb(*S.begin()),S.erase(S.begin());
            S.erase(mp(d[p],p));
            update(0,N-1,p,0,(e == 1) ? N+i+1:v.back().first);
            S.insert(mp(d[p],p));
            for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
        }
        else {
            scanf("%d",&b),b--;
            int l = a,r = a;
            while ((l > b) || (r < b)) {
                int ll = (l == 0) ? MAX_VAL:d[l-1];
                int rr = (r == N-1) ? MAX_VAL:d[r+1];
                if (ll < rr) l--;
                else r++;
            }
            printf("%d\n",r-l);
            /*if (a == b) printf("0\n");
            else if (a < b) {
                int x = query(0,N-1,a,b,0);
                int l = 0,r = a;
                while (l < r) {
                    int m = (l+r) / 2;
                    if (query(0,N-1,m,b,0) <= x) r = m;
                    else l = m+1;
                }
                printf("%d\n",b-l);
            }
            else {
                int x = query(0,N-1,b,a,0);
                int l = a,r = N-1;
                while (l < r) {
                    int m = (l+r+1) / 2;
                    if (query(0,N-1,b,m,0) <= x) l = m;
                    else r = m-1;
                }
                printf("%d\n",l-b);
            }*/
        }
    }

    return 0;
}

Compilation message

cake.cpp: In function 'int main()':
cake.cpp:107:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
                         ~~^~~~~~~~~~
cake.cpp:94:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&a),a--;
     ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:95:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
                             ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
cake.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&Q);
     ~~~~~^~~~~~~~~
cake.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c",&c);
         ~~~~~^~~~~~~~~~
cake.cpp:101:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d",&p,&e),p--;
             ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:110:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&b),b--;
             ~~~~~~~~~~~~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 3 ms 552 KB Output is correct
4 Correct 11 ms 736 KB Output is correct
5 Correct 66 ms 1352 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 767 ms 1408 KB Output is correct
2 Correct 410 ms 1408 KB Output is correct
3 Correct 490 ms 1408 KB Output is correct
4 Correct 301 ms 1408 KB Output is correct
5 Correct 848 ms 2304 KB Output is correct
6 Correct 727 ms 2304 KB Output is correct
7 Correct 588 ms 2304 KB Output is correct
8 Correct 370 ms 2304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2078 ms 7056 KB Time limit exceeded
2 Execution timed out 2079 ms 7172 KB Time limit exceeded
3 Execution timed out 2068 ms 7304 KB Time limit exceeded
4 Correct 2 ms 7304 KB Output is correct
5 Execution timed out 2074 ms 15792 KB Time limit exceeded
6 Execution timed out 2080 ms 15848 KB Time limit exceeded
7 Execution timed out 2073 ms 15848 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Correct 162 ms 15848 KB Output is correct
2 Correct 181 ms 15848 KB Output is correct
3 Correct 1897 ms 15848 KB Output is correct
4 Correct 1857 ms 15848 KB Output is correct
5 Correct 322 ms 15848 KB Output is correct
6 Execution timed out 2057 ms 15848 KB Time limit exceeded
7 Correct 1066 ms 15848 KB Output is correct
8 Correct 516 ms 15848 KB Output is correct
9 Execution timed out 2066 ms 15848 KB Time limit exceeded
10 Correct 1118 ms 15848 KB Output is correct
11 Execution timed out 2060 ms 15848 KB Time limit exceeded
12 Execution timed out 2064 ms 15848 KB Time limit exceeded
13 Execution timed out 2059 ms 15848 KB Time limit exceeded