Submission #681126

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
681126	2023-01-12 11:31:21	Cross_Ratio	Nuclearia (CEOI15_nuclearia)	C++14	15 / 100	1092 ms	119048 KiB

nuclearia

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#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
typedef long long ll;
vector<vector<long long int>> A, B;
long long int D[2500005];
long long int E[2500005];
__int128 F[2500005];
__int128 G[2500005];
array<long long int, 4> C[200005];
signed main() {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int W, H;
    cin >> W >> H;
    if(H==1) {
        int i, j;
        int N;
        cin >> N;
        for(i=0;i<N;i++) {
            ll a, b, c, d;
            cin >> a >> b >> c >> d;
            a--, b--;
            ll k = c/d;
            ll l = max(0LL, a-k);
            ll r = min((ll)W-1, a+k);
            F[l] += d;
 
 
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Compilation message (stderr)

nuclearia.cpp: In function 'int main()':
nuclearia.cpp:20:16: warning: unused variable 'j' [-Wunused-variable]
   20 |         int i, j;
      |                ^
nuclearia.cpp:82:76: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context]
   82 |             B[i][j] = (i?B[i-1][j]:0) + (j?B[i][j-1]:0) - ((long long int)i*j?B[i-1][j-1]:0) + A[i][j];
      |                                                            ~~~~~~~~~~~~~~~~^~
nuclearia.cpp:91:77: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context]
   91 |         long long int val = B[c][d] - (a?B[a-1][d]:0) - (b?B[c][b-1]:0) + (a*b?B[a-1][b-1]:0);
      |                                                                            ~^~

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