oj.uz

Submission #485889

# Submission time Handle Problem Language Result Execution time Memory
485889 2021-11-09T15:52:00 Z gavgav Fountain (eJOI20_fountain) C++17
100 / 100
 120 ms 7420 KB 
#include <stdio.h>
#define MAX_N 100000
#define MAX_M 200000
#define MAX_D 1000000000
#define MAX_S 100000000000000
struct reservoir {
    long long diameters, v;
};
struct query {
    int level, v, rasp;
};
int stiva[MAX_N + 1], next[MAX_M + 1], liste[MAX_N + 1];
long long sumaNec[MAX_N + 1];
struct reservoir reservoirs[MAX_N + 1];
struct query q[MAX_M + 1];
int main() {
    int height, queries_number, top, st, dr, mij, i, j;
    long long sumaV;
    scanf( "%d%d", &height, &queries_number);
    reservoirs[0].diameters = MAX_D + 1;
    reservoirs[0].v = 0;
    for ( i = 1; i <= height; i++ )
        scanf( "%d%d", &reservoirs[i].diameters, &reservoirs[i].v );
    for ( i = 1; i <= queries_number; i++ ) {
        scanf( "%d%d", &q[i].level, &q[i].v );
        next[i] = liste[q[i].level];
        liste[q[i].level] = i;
    }
    stiva[0] = 0;
    sumaNec[0] = -MAX_S - 1;
    top = 0;
    sumaV = 0;
    for ( i = height; i >= 1; i-- ) {
        while ( reservoirs[i].diameters >= reservoirs[stiva[top]].diameters ) {
            sumaV -= reservoirs[stiva[top]].v;
            top--;
        }
        top++;
        stiva[top] = i;
        sumaNec[top] = sumaV;
        sumaV += reservoirs[i].v;

        j = liste[i];
        while ( j != 0 ) {
            st = top + 1;
            dr = 0;
            while ( st - dr > 1 ) {
                mij = (st + dr) / 2;
                if ( sumaV - sumaNec[mij] >= q[j].v )
                    dr = mij;
                else
                    st = mij;
            }
            q[j].rasp = stiva[dr];

            j = next[j];
        }
    }
    for ( i = 1; i <= queries_number; i++ )
        printf( "%d\n", q[i].rasp );
}

Compilation message

fountain.cpp: In function 'int main()':
fountain.cpp:23:18: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   23 |         scanf( "%d%d", &reservoirs[i].diameters, &reservoirs[i].v );
      |                 ~^     ~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |     |
      |                  int*  long long int*
      |                 %lld
fountain.cpp:23:20: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
   23 |         scanf( "%d%d", &reservoirs[i].diameters, &reservoirs[i].v );
      |                   ~^                             ~~~~~~~~~~~~~~~~
      |                    |                             |
      |                    int*                          long long int*
      |                   %lld
fountain.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     scanf( "%d%d", &height, &queries_number);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fountain.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         scanf( "%d%d", &reservoirs[i].diameters, &reservoirs[i].v );
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fountain.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |         scanf( "%d%d", &q[i].level, &q[i].v );
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 5608 KB Output is correct
2 Correct 81 ms 5848 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 73 ms 5608 KB Output is correct
9 Correct 81 ms 5848 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 48 ms 3392 KB Output is correct
12 Correct 120 ms 7420 KB Output is correct
13 Correct 102 ms 6772 KB Output is correct
14 Correct 86 ms 6464 KB Output is correct
15 Correct 75 ms 6472 KB Output is correct