oj.uz

Submission #22526

# Submission time Handle Problem Language Result Execution time Memory
22526 2017-04-30T05:19:54 Z dried chocochip on Daegu asphalt(#897, suzy, zych1751, Acka) Unifying Values (KRIII5_UV) C++11
7 / 7
 456 ms 7532 KB 
#include <stdio.h>
#include <map>

using namespace std;

#define MOD 1000000007

typedef long long lli;

map<lli,int> d[10000];
lli a[10000];
int n;

int main() {
	scanf("%d",&n);
	lli s=0;
	for(int i=0;i<n;++i) {
		scanf("%lld",&a[i]);
		s+=a[i];
		d[i][s]=1;
	}
	map<lli,int>::iterator mi1, mi2;
	for(int i=1;i<n;++i) {
		lli sum=0;
		for(int j=i;j<n;++j) {
			sum+=a[j];
			mi1=d[i-1].find(sum);
			if(mi1!=d[i-1].end()) {
				mi2=d[j].find(sum);
				if(mi2==d[j].end()) {
					d[j][sum]=mi1->second;
					mi2=d[j].find(sum);
				} else {
					mi2->second+=mi1->second;
					if(mi2->second>=MOD) mi2->second-=MOD;
				}
			}
		}
	}
	int res=0;
	for(map<lli,int>::iterator it=d[n-1].begin();it!=d[n-1].end();++it) {
		res+=it->second;
		if(res>=MOD) res-=MOD;
	}
	printf("%d\n",--res);
	return 0;
}

Compilation message

UV.cpp: In function 'int main()':
UV.cpp:15:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
UV.cpp:18:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
                      ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1724 KB Output is correct
2 Correct 0 ms 1724 KB Output is correct
3 Correct 0 ms 1724 KB Output is correct
4 Correct 213 ms 7532 KB Output is correct
5 Correct 219 ms 7532 KB Output is correct
6 Correct 329 ms 2384 KB Output is correct
7 Correct 196 ms 6740 KB Output is correct
8 Correct 229 ms 6740 KB Output is correct
9 Correct 233 ms 6608 KB Output is correct
10 Correct 223 ms 4760 KB Output is correct
11 Correct 276 ms 4628 KB Output is correct
12 Correct 233 ms 4232 KB Output is correct
13 Correct 249 ms 6740 KB Output is correct
14 Correct 243 ms 6608 KB Output is correct
15 Correct 216 ms 6740 KB Output is correct
16 Correct 203 ms 6212 KB Output is correct
17 Correct 229 ms 6344 KB Output is correct
18 Correct 263 ms 4100 KB Output is correct
19 Correct 263 ms 4364 KB Output is correct
20 Correct 206 ms 3308 KB Output is correct
21 Correct 216 ms 2912 KB Output is correct
22 Correct 306 ms 2516 KB Output is correct
23 Correct 373 ms 2384 KB Output is correct
24 Correct 333 ms 2384 KB Output is correct
25 Correct 303 ms 2384 KB Output is correct
26 Correct 293 ms 2384 KB Output is correct
27 Correct 246 ms 4100 KB Output is correct
28 Correct 206 ms 3836 KB Output is correct
29 Correct 229 ms 4496 KB Output is correct
30 Correct 293 ms 4892 KB Output is correct
31 Correct 313 ms 5024 KB Output is correct
32 Correct 279 ms 5420 KB Output is correct
33 Correct 253 ms 4364 KB Output is correct
34 Correct 329 ms 4892 KB Output is correct
35 Correct 263 ms 5552 KB Output is correct
36 Correct 213 ms 5552 KB Output is correct
37 Correct 199 ms 5948 KB Output is correct
38 Correct 203 ms 5948 KB Output is correct
39 Correct 223 ms 5816 KB Output is correct
40 Correct 219 ms 5684 KB Output is correct
41 Correct 196 ms 6080 KB Output is correct
42 Correct 216 ms 5948 KB Output is correct
43 Correct 196 ms 6212 KB Output is correct
44 Correct 219 ms 5552 KB Output is correct
45 Correct 233 ms 5552 KB Output is correct
46 Correct 199 ms 5684 KB Output is correct
47 Correct 196 ms 6344 KB Output is correct
48 Correct 219 ms 6212 KB Output is correct
49 Correct 203 ms 6344 KB Output is correct
50 Correct 219 ms 6212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 219 ms 6740 KB Output is correct
2 Correct 209 ms 6740 KB Output is correct
3 Correct 189 ms 6740 KB Output is correct
4 Correct 226 ms 4760 KB Output is correct
5 Correct 263 ms 4760 KB Output is correct
6 Correct 283 ms 4364 KB Output is correct
7 Correct 216 ms 6608 KB Output is correct
8 Correct 216 ms 6740 KB Output is correct
9 Correct 189 ms 3440 KB Output is correct
10 Correct 146 ms 2516 KB Output is correct
11 Correct 153 ms 2384 KB Output is correct
12 Correct 143 ms 2384 KB Output is correct
13 Correct 146 ms 2384 KB Output is correct
14 Correct 143 ms 2384 KB Output is correct
15 Correct 146 ms 2384 KB Output is correct
16 Correct 149 ms 2384 KB Output is correct
17 Correct 213 ms 7532 KB Output is correct
18 Correct 229 ms 7532 KB Output is correct
19 Correct 336 ms 2384 KB Output is correct
20 Correct 226 ms 2384 KB Output is correct
21 Correct 229 ms 2384 KB Output is correct
22 Correct 243 ms 2384 KB Output is correct
23 Correct 359 ms 2384 KB Output is correct
24 Correct 363 ms 2384 KB Output is correct
25 Correct 339 ms 2384 KB Output is correct
26 Correct 319 ms 2384 KB Output is correct
27 Correct 389 ms 3440 KB Output is correct
28 Correct 373 ms 4496 KB Output is correct
29 Correct 393 ms 4760 KB Output is correct
30 Correct 419 ms 4628 KB Output is correct
31 Correct 429 ms 5156 KB Output is correct
32 Correct 386 ms 4232 KB Output is correct
33 Correct 383 ms 3836 KB Output is correct
34 Correct 379 ms 3968 KB Output is correct
35 Correct 386 ms 3968 KB Output is correct
36 Correct 376 ms 3572 KB Output is correct
37 Correct 386 ms 3572 KB Output is correct
38 Correct 356 ms 3440 KB Output is correct
39 Correct 349 ms 3308 KB Output is correct
40 Correct 426 ms 4100 KB Output is correct
41 Correct 436 ms 4232 KB Output is correct
42 Correct 446 ms 4364 KB Output is correct
43 Correct 456 ms 4364 KB Output is correct
44 Correct 453 ms 5024 KB Output is correct
45 Correct 453 ms 4496 KB Output is correct
46 Correct 263 ms 2516 KB Output is correct
47 Correct 269 ms 2648 KB Output is correct
48 Correct 266 ms 2648 KB Output is correct
49 Correct 279 ms 2780 KB Output is correct
50 Correct 283 ms 2780 KB Output is correct
51 Correct 299 ms 2912 KB Output is correct
52 Correct 236 ms 2384 KB Output is correct
53 Correct 239 ms 2384 KB Output is correct
54 Correct 236 ms 2384 KB Output is correct
55 Correct 229 ms 2384 KB Output is correct
56 Correct 229 ms 2384 KB Output is correct
57 Correct 236 ms 2384 KB Output is correct
58 Correct 236 ms 2384 KB Output is correct
59 Correct 236 ms 2384 KB Output is correct
60 Correct 236 ms 2384 KB Output is correct
61 Correct 229 ms 2384 KB Output is correct
62 Correct 236 ms 2384 KB Output is correct
63 Correct 229 ms 2384 KB Output is correct
64 Correct 153 ms 2384 KB Output is correct
65 Correct 306 ms 2648 KB Output is correct
66 Correct 326 ms 2780 KB Output is correct
67 Correct 299 ms 2912 KB Output is correct
68 Correct 353 ms 3044 KB Output is correct
69 Correct 359 ms 3044 KB Output is correct
70 Correct 389 ms 3176 KB Output is correct
71 Correct 366 ms 3308 KB Output is correct
72 Correct 403 ms 3704 KB Output is correct
73 Correct 376 ms 3836 KB Output is correct
74 Correct 396 ms 3968 KB Output is correct
75 Correct 389 ms 4232 KB Output is correct
76 Correct 389 ms 4364 KB Output is correct
77 Correct 369 ms 4496 KB Output is correct
78 Correct 396 ms 4892 KB Output is correct
79 Correct 373 ms 5420 KB Output is correct
80 Correct 346 ms 5948 KB Output is correct
81 Correct 333 ms 6476 KB Output is correct
82 Correct 259 ms 3308 KB Output is correct
83 Correct 266 ms 4232 KB Output is correct
84 Correct 246 ms 4628 KB Output is correct
85 Correct 249 ms 4628 KB Output is correct
86 Correct 249 ms 5288 KB Output is correct
87 Correct 243 ms 5420 KB Output is correct
88 Correct 263 ms 5552 KB Output is correct
89 Correct 259 ms 5816 KB Output is correct
90 Correct 259 ms 5948 KB Output is correct
91 Correct 0 ms 1724 KB Output is correct
92 Correct 0 ms 1724 KB Output is correct
93 Correct 0 ms 1724 KB Output is correct
94 Correct 213 ms 7532 KB Output is correct
95 Correct 219 ms 7532 KB Output is correct
96 Correct 329 ms 2384 KB Output is correct
97 Correct 196 ms 6740 KB Output is correct
98 Correct 229 ms 6740 KB Output is correct
99 Correct 233 ms 6608 KB Output is correct
100 Correct 223 ms 4760 KB Output is correct
101 Correct 276 ms 4628 KB Output is correct
102 Correct 233 ms 4232 KB Output is correct
103 Correct 249 ms 6740 KB Output is correct
104 Correct 243 ms 6608 KB Output is correct
105 Correct 216 ms 6740 KB Output is correct
106 Correct 203 ms 6212 KB Output is correct
107 Correct 229 ms 6344 KB Output is correct
108 Correct 263 ms 4100 KB Output is correct
109 Correct 263 ms 4364 KB Output is correct
110 Correct 206 ms 3308 KB Output is correct
111 Correct 216 ms 2912 KB Output is correct
112 Correct 306 ms 2516 KB Output is correct
113 Correct 373 ms 2384 KB Output is correct
114 Correct 333 ms 2384 KB Output is correct
115 Correct 303 ms 2384 KB Output is correct
116 Correct 293 ms 2384 KB Output is correct
117 Correct 246 ms 4100 KB Output is correct
118 Correct 206 ms 3836 KB Output is correct
119 Correct 229 ms 4496 KB Output is correct
120 Correct 293 ms 4892 KB Output is correct
121 Correct 313 ms 5024 KB Output is correct
122 Correct 279 ms 5420 KB Output is correct
123 Correct 253 ms 4364 KB Output is correct
124 Correct 329 ms 4892 KB Output is correct
125 Correct 263 ms 5552 KB Output is correct
126 Correct 213 ms 5552 KB Output is correct
127 Correct 199 ms 5948 KB Output is correct
128 Correct 203 ms 5948 KB Output is correct
129 Correct 223 ms 5816 KB Output is correct
130 Correct 219 ms 5684 KB Output is correct
131 Correct 196 ms 6080 KB Output is correct
132 Correct 216 ms 5948 KB Output is correct
133 Correct 196 ms 6212 KB Output is correct
134 Correct 219 ms 5552 KB Output is correct
135 Correct 233 ms 5552 KB Output is correct
136 Correct 199 ms 5684 KB Output is correct
137 Correct 196 ms 6344 KB Output is correct
138 Correct 219 ms 6212 KB Output is correct
139 Correct 203 ms 6344 KB Output is correct
140 Correct 219 ms 6212 KB Output is correct