Submission #22630

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
22630	2017-04-30 06:01:19	카시코이 (#40)	Unifying Values (KRIII5_UV)	C++14	2 / 7	500 ms	48856 KiB

UV

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#include <cstdio>
#include <cstring>
#include <vector>
#include <unordered_map>
#include <algorithm>
using namespace std;
const int MOD = 1000000007;
int n;
long long arr[10004];
long long sum[10004];
long long allsum;
int main() {
  //freopen("input.txt", "r", stdin);
  scanf("%d", &n);
  for (int i = 1; i <= n; ++i) {
    scanf("%lld", &arr[i]);
    sum[i] = sum[i - 1] + arr[i];
  }
  allsum = sum[n];
  unordered_map<long long, vector<int>> posbysum;
  for (int i = 0; i <= n; ++i) {
    posbysum[sum[i]];
    posbysum[sum[i]].push_back(i);
  }
  long long ans = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

UV.cpp: In function 'int main()':
UV.cpp:47:21: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d\n", ans);
                     ^
UV.cpp:74:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int j = 0; j < idxs[k].size(); ++j) {
                      ^
UV.cpp:75:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (p < idxs[k - 1].size() && idxs[k - 1][p] < idxs[k][j]) {
              ^
UV.cpp:86:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d\n", ans % MOD);
                          ^
UV.cpp:17:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
UV.cpp:19:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &arr[i]);
                         ^

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5