Submission #222939

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
222939	2020-04-14 11:38:50	ngot23	Deda (COCI17_deda)	C++11	120 / 140	1067 ms	8056 KiB

deda

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#include <bits/stdc++.h>
using namespace std;
const int N=200005;
int t[N*4], n, Q;
void update(int l, int r, int id, int u, int val) {
    if(u<l || u>r) return;
    if(l==r) {t[id]=val;return;}
    int mid=(r+l)>>1;
    update(l, mid, id*2, u, val);
    update(mid+1, r, id*2+1, u, val);
    t[id]=min(t[id*2], t[id*2+1]);
}
int get(int l, int r, int id, int u, int v) {
    if(v<l || r<u) return int(1e9+1);
    if(u<=l && r<=v) return t[id];
    int mid=(r+l)>>1;
    return min(get(l, mid, id*2, u, v), get(mid+1, r, id*2+1, u, v));
}
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    if(fopen(".inp", "r")) freopen(".inp", "r", stdin);
    cin >> n >> Q;
    for(int i=0 ; i<=n*4 ; ++i) t[i]=1e9+1;
    for(int i=1 ; i<=Q ; ++i) {
        int c, d; char x;
        cin >> x >> c >> d;
 
 
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Compilation message (stderr)

deda.cpp: In function 'int main()':
deda.cpp:36:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                 int mid=r+l >> 1;
                         ~^~
deda.cpp:25:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     if(fopen(".inp", "r")) freopen(".inp", "r", stdin);
                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 120 / 140