Submission #78661

# Submission time Handle Problem Language Result Execution time Memory
78661 2018-10-06T21:42:11 Z duality Cake (CEOI14_cake) C++11
0 / 100
2000 ms 15436 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--;
            if (a == b) printf("0\n");
            else if (a < b) {
                int x = query(0,N-1,a,b,0);
                int l = a;
                while ((l >= 0) && (query(0,N-1,l,b,0) == x)) l--;
                printf("%d\n",b-(l+1));
                /*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;
                while ((l < N) && (query(0,N-1,b,l,0) == x)) l++;
                printf("%d\n",(l-1)-b);
                /*
                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 2 ms 376 KB Output is correct
2 Incorrect 3 ms 500 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 915 ms 1032 KB Output is correct
2 Incorrect 731 ms 1208 KB Output isn't correct
3 Correct 662 ms 1208 KB Output is correct
4 Correct 484 ms 1272 KB Output is correct
5 Correct 1297 ms 2040 KB Output is correct
6 Incorrect 1429 ms 2164 KB Output isn't correct
7 Correct 963 ms 2164 KB Output is correct
8 Correct 908 ms 2168 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2068 ms 6580 KB Time limit exceeded
2 Execution timed out 2074 ms 6708 KB Time limit exceeded
3 Execution timed out 2062 ms 6708 KB Time limit exceeded
4 Incorrect 2 ms 6708 KB Output isn't correct
5 Execution timed out 2059 ms 15300 KB Time limit exceeded
6 Execution timed out 2075 ms 15308 KB Time limit exceeded
7 Execution timed out 2047 ms 15436 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Execution timed out 2055 ms 15436 KB Time limit exceeded
2 Execution timed out 2069 ms 15436 KB Time limit exceeded
3 Execution timed out 2070 ms 15436 KB Time limit exceeded
4 Execution timed out 2064 ms 15436 KB Time limit exceeded
5 Execution timed out 2058 ms 15436 KB Time limit exceeded
6 Execution timed out 2061 ms 15436 KB Time limit exceeded
7 Execution timed out 2068 ms 15436 KB Time limit exceeded
8 Execution timed out 2079 ms 15436 KB Time limit exceeded
9 Execution timed out 2073 ms 15436 KB Time limit exceeded
10 Execution timed out 2058 ms 15436 KB Time limit exceeded
11 Execution timed out 2050 ms 15436 KB Time limit exceeded
12 Execution timed out 2074 ms 15436 KB Time limit exceeded
13 Execution timed out 2058 ms 15436 KB Time limit exceeded