제출 #151223

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
151223		evpipis	Nuclearia (CEOI15_nuclearia)	C++98	55 / 100	1079 ms	130740 KiB

nuclearia

#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
typedef pair<int, int> ii;
typedef long long ll;
typedef pair<ll, ll> pll;

const int len = 2e5+5;
pair<ii, ii> arr[len];
vector<vector<pll> > lazy;
vector<vector<ll> > pref;
int n, m, k;

void solve(){
    int temp = 0;
    if (n > m)
        temp = 1;

    if (temp){
        for (int i = 0; i < k; i++)
            swap(arr[i].fi.fi, arr[i].fi.se);
        swap(n, m);
    }

    lazy.resize(n+1);
    for (int i = 0; i <= n; i++)
        lazy[i].resize(m+1, mp(0, 0));

    for (int i = 0; i < k; i++){
        int r = arr[i].fi.fi, c = arr[i].fi.se;
        int a = arr[i].se.fi, b = arr[i].se.se;
        int s = a/b;

        //printf("i = %d, (r, c) = (%d, %d), (a, b) = (%d, %d)\n", i, r, c, a, b);
        //printf("s = %d\n", s);

        for (int x = max(1, r-s); x <= min(n, r+s); x++){
            int d = abs(x-r);

            //printf("x = %d, d = %d\n", x, d);

            lazy[x][max(1, c-s)].fi += b;
            lazy[x][max(1, c-s)].se += a-c*1LL*b;

            lazy[x][max(1, c-d)].fi += 0 - (b);
            lazy[x][max(1, c-d)].se += a-abs(r-x)*1LL*b - (a-c*1LL*b);

            if (c+d >= m)
                continue;

            lazy[x][c+d].fi += -b;
            lazy[x][c+d].se += a+c*1LL*b - (a-abs(r-x)*1LL*b);

            if (c+s >= m)
                continue;

            lazy[x][c+s+1].fi += -(-b);
            lazy[x][c+s+1].se += -(a+c*1LL*b);
        }
    }

    for (int i = 1; i <= n; i++){
        ll a = 0, b = 0;
        for (int j = 1; j <= m; j++){
            a += lazy[i][j].fi;
            b += lazy[i][j].se;

            if (!temp)
                pref[i][j] = (a*1LL*j+b);
            else
                pref[j][i] = (a*1LL*j+b);
            //printf("i = %d, j = %d, a = %lld, b = %lld\n", i, j, a, b);
            //printf("%lld ", a*1LL*j+b);
        }
        //printf("\n");
    }

    if (temp){
        swap(n, m);
    }
}

int main(){
    scanf("%d %d %d", &m, &n, &k);
    for (int i = 0; i < k; i++)
        scanf("%d %d %d %d", &arr[i].fi.se, &arr[i].fi.fi, &arr[i].se.fi, &arr[i].se.se);

    pref.resize(n+1);
    for (int i = 0; i <= n; i++)
        pref[i].resize(m+1, 0);

    solve();

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            pref[i][j] += pref[i-1][j]+pref[i][j-1]-pref[i-1][j-1];

    int q;
    scanf("%d", &q);
    for (int i = 0; i < q; i++){
        int x1, y1, x2, y2;
        scanf("%d %d %d %d", &y1, &x1, &y2, &x2);
        ll sum = (pref[x2][y2]-pref[x1-1][y2]-pref[x2][y1-1]+pref[x1-1][y1-1]);
        ll many = (x2-x1+1)*1LL*(y2-y1+1);
        ll ans = sum/many;
        if ((sum%many)*2 >= many)
            ans++;
        printf("%lld\n", ans);
    }
    return 0;
}

/*
4 5 1
3 2 9 1
*/

컴파일 시 표준 에러 (stderr) 메시지

nuclearia.cpp: In function 'int main()':
nuclearia.cpp:88:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &m, &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
nuclearia.cpp:90:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d %d", &arr[i].fi.se, &arr[i].fi.fi, &arr[i].se.fi, &arr[i].se.se);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nuclearia.cpp:103:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
     ~~~~~^~~~~~~~~~
nuclearia.cpp:106:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d %d", &y1, &x1, &y2, &x2);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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