Submission #225309

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
225309	2020-04-20 09:08:32	alvinpiter	Solar Storm (NOI20_solarstorm)	C++14	100 / 100	922 ms	122836 KiB

SolarStorm

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#include<bits/stdc++.h>
using namespace std;
#define LL long long int
#define MAXN 1000000
#define MAXLG 19
#define DEBUG false
/*
nxt2[i][lg] -> next 2^lg uncovered module if we start covering from module i
*/
int N, S, nxt[MAXN + 3][MAXLG + 2], bestPos;
LL K, pos[MAXN + 3], sumV[MAXN + 3], bestScore;
vector<int> answer;
LL calculateScore(int i) {
    int j = i;
    for (int lg = 0; lg <= MAXLG && j <= N; lg++) {
        if (S & (1 << lg)) {
            j = nxt[j][lg];
        }
    }
    return sumV[j - 1] - sumV[i - 1];
}
int main() {
    scanf("%d%d%lld", &N, &S, &K);
    pos[1] = 0;
 
 
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Compilation message (stderr)

SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%lld", &N, &S, &K);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
SolarStorm.cpp:34:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &d);
         ~~~~~^~~~~~~~~~
SolarStorm.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &v);
         ~~~~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 7 / 7
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 18 / 18
• Subtask 6: 16 / 16
• Subtask 7: 30 / 30