oj.uz

Submission #434711

# Submission time Handle Problem Language Result Execution time Memory
434711 2021-06-21T15:20:18 Z cpp219 Sterilizing Spray (JOI15_sterilizing) C++14
0 / 100
 5000 ms 1464 KB 
#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")

#include <bits/stdc++.h>
#define ll int
#define ld long double
#define fs first
#define sc second
using namespace std;
const ll N = 1e5 + 9;
const ll mod = 1e9 + 7;
const ll Log2 = 20;
typedef pair<ll,ll> LL;

ll n,Q,k,x,a[N];

ll st[4*N];

void upd(ll id,ll l,ll r,ll u,ll val){
    if (u < l||r < u) return;
    if (l == r){
        st[id] = val; return;
    }
    ll mid = (l + r)/2;
    upd(id*2,l,mid,u,val); upd(id*2 + 1,mid + 1,r,u,val);
    st[id] = st[id*2] + st[id*2 + 1];
}

ll Get(ll id,ll l,ll r,ll u,ll v){
    if (v < l||r < u) return 0;
    if (u <= l&&r <= v) return st[id];
    ll mid = (l + r)/2;
    return Get(id*2,l,mid,u,v) + Get(id*2 + 1,mid + 1,r,u,v);
}

ll Walk(ll id,ll l,ll r,ll val){
    ///first value which > val
    if (l == r){
        if (st[id] > val) return l;
        return n + 1;
    }
    ll mid = (l + r)/2;
    if (st[id*2] > val) return Walk(id*2,l,mid,val);
    return Walk(id*2 + 1,mid + 1,r,val - st[id*2]);
}

ll type,l,r;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    #define task "tst"
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        //freopen(task".out", "w", stdout);
    }
    cin>>n>>Q>>k;
    for (ll i = 1;i <= n;i++) cin>>x,a[i] = x;
    while(Q--){
        cin>>type>>l>>r;
        if (type == 1) a[l] = r;
        else if (type == 2){
            if (k > 1){
                while(l <= r){
                    a[l] /= k;
                    l++;
                }
            }
        }
        else{
            ll res = 0;
            while(l <= r) res += a[l],l++; cout<<res<<"\n";
        }
    }
}

Compilation message

sterilizing.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
sterilizing.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
sterilizing.cpp: In function 'int main()':
sterilizing.cpp:73:13: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   73 |             while(l <= r) res += a[l],l++; cout<<res<<"\n";
      |             ^~~~~
sterilizing.cpp:73:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   73 |             while(l <= r) res += a[l],l++; cout<<res<<"\n";
      |                                            ^~~~
sterilizing.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 236 ms 840 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 364 KB Output is correct
2 Correct 351 ms 484 KB Output is correct
3 Correct 540 ms 496 KB Output is correct
4 Correct 1175 ms 468 KB Output is correct
5 Correct 4853 ms 856 KB Output is correct
6 Correct 4828 ms 960 KB Output is correct
7 Correct 491 ms 896 KB Output is correct
8 Correct 4871 ms 852 KB Output is correct
9 Execution timed out 5070 ms 704 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 1757 ms 1464 KB Output isn't correct
2 Halted 0 ms 0 KB -