oj.uz

Submission #333925

# Submission time Handle Problem Language Result Execution time Memory
333925 2020-12-08T03:25:11 Z beksultan04 Simple game (IZhO17_game) C++14
100 / 100
 261 ms 18548 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define pb push_back
#define endi puts("");
const int N = 1e6+12,INF=1e9+7;
int q[N],t[N],der[N*4];

void update(int v,int l,int r,int ql,int qr,int x){
    if (l > qr || r < ql)ret;
    if (ql <= l && r <= qr){
        der[v] += x;
        ret ;
    }
    int m = l+r>>1;
    update(v<<1,l,m,ql,qr,x);
    update((v<<1)+1,m+1,r,ql,qr,x);
}

int get_sum (int v, int l, int r, int pos) {
	if (l == r)ret der[v];
	int m = l+r>>1;
	if (m < pos)
        ret der[v]+get_sum((v<<1)+1,m+1,r,pos);
    else
        ret der[v]+get_sum(v<<1,l,m,pos);

}



main(){
    int m,i,j,k,b,n;
    scan2(n,m)
    for (i=1;i<=n;++i){
        scan1(q[i])
        if (i!=1)
            update(1,1,1000000,min(q[i-1],q[i]),max(q[i-1],q[i]),1);

    }
    while (m--){
        int t,z;
        scan2(t,z)
        if (t == 1){
            if (z != 1)
                update(1,1,1000000,min(q[z-1],q[z]),max(q[z-1],q[z]),-1);
            if (z != n)
                update(1,1,1000000,min(q[z+1],q[z]),max(q[z+1],q[z]),-1);
            int x;
            scan1(x)
            q[z] = x;
            if (z != 1)
                update(1,1,1000000,min(q[z-1],q[z]),max(q[z-1],q[z]),1);
            if (z != n)
                update(1,1,1000000,min(q[z+1],q[z]),max(q[z+1],q[z]),1);

        }
        else
            cout <<get_sum(1,1,1000000,z)<<'\n';
    }
}

Compilation message

game.cpp: In function 'void update(long long int, long long int, long long int, long long int, long long int, long long int)':
game.cpp:24:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |     int m = l+r>>1;
      |             ~^~
game.cpp: In function 'long long int get_sum(long long int, long long int, long long int, long long int)':
game.cpp:31:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |  int m = l+r>>1;
      |          ~^~
game.cpp: At global scope:
game.cpp:41:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main(){
      |      ^
game.cpp: In function 'int main()':
game.cpp:42:13: warning: unused variable 'j' [-Wunused-variable]
   42 |     int m,i,j,k,b,n;
      |             ^
game.cpp:42:15: warning: unused variable 'k' [-Wunused-variable]
   42 |     int m,i,j,k,b,n;
      |               ^
game.cpp:42:17: warning: unused variable 'b' [-Wunused-variable]
   42 |     int m,i,j,k,b,n;
      |                 ^
game.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
game.cpp:43:5: note: in expansion of macro 'scan2'
   43 |     scan2(n,m)
      |     ^~~~~
game.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
game.cpp:45:9: note: in expansion of macro 'scan1'
   45 |         scan1(q[i])
      |         ^~~~~
game.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
game.cpp:52:9: note: in expansion of macro 'scan2'
   52 |         scan2(t,z)
      |         ^~~~~
game.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
game.cpp:59:13: note: in expansion of macro 'scan1'
   59 |             scan1(x)
      |             ^~~~~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 8 ms 9708 KB Output is correct
3 Correct 8 ms 9324 KB Output is correct
4 Correct 8 ms 9324 KB Output is correct
5 Correct 8 ms 9452 KB Output is correct
6 Correct 8 ms 9580 KB Output is correct
7 Correct 3 ms 540 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 8 ms 9708 KB Output is correct
3 Correct 8 ms 9324 KB Output is correct
4 Correct 8 ms 9324 KB Output is correct
5 Correct 8 ms 9452 KB Output is correct
6 Correct 8 ms 9580 KB Output is correct
7 Correct 3 ms 540 KB Output is correct
8 Correct 63 ms 1644 KB Output is correct
9 Correct 133 ms 18412 KB Output is correct
10 Correct 135 ms 18548 KB Output is correct
11 Correct 53 ms 1516 KB Output is correct
12 Correct 92 ms 2468 KB Output is correct
13 Correct 59 ms 2028 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 8 ms 9708 KB Output is correct
3 Correct 8 ms 9324 KB Output is correct
4 Correct 8 ms 9324 KB Output is correct
5 Correct 8 ms 9452 KB Output is correct
6 Correct 8 ms 9580 KB Output is correct
7 Correct 3 ms 540 KB Output is correct
8 Correct 63 ms 1644 KB Output is correct
9 Correct 133 ms 18412 KB Output is correct
10 Correct 135 ms 18548 KB Output is correct
11 Correct 53 ms 1516 KB Output is correct
12 Correct 92 ms 2468 KB Output is correct
13 Correct 59 ms 2028 KB Output is correct
14 Correct 261 ms 18048 KB Output is correct
15 Correct 241 ms 18028 KB Output is correct
16 Correct 246 ms 18012 KB Output is correct
17 Correct 240 ms 18028 KB Output is correct
18 Correct 238 ms 18008 KB Output is correct