0_0_21799433_4274.cpp:59:12: error: redefinition of 'const int mod'
const int mod=1e9+7;
^
0_0_21799433_4274.cpp:13:12: note: 'const int mod' previously defined here
const int mod=1e9+7;
^
0_0_21799433_4274.cpp:60:18: error: redefinition of 'int dp [2005][2005]'
int dp[2005][2005];
^
0_0_21799433_4274.cpp:14:5: note: 'int dp [2005][2005]' previously declared here
int dp[2005][2005];
^
0_0_21799433_4274.cpp: In function 'int Qpow(int, int, int)':
0_0_21799433_4274.cpp:61:5: error: redefinition of 'int Qpow(int, int, int)'
int Qpow(int a, int b, int mo)
^
0_0_21799433_4274.cpp:15:5: note: 'int Qpow(int, int, int)' previously defined here
int Qpow(int a, int b, int mo)
^
0_0_21799433_4274.cpp: In function 'int main(int, char**)':
0_0_21799433_4274.cpp:74:5: error: redefinition of 'int main(int, char**)'
int main(int argc, char *argv[]) {
^
0_0_21799433_4274.cpp:28:5: note: 'int main(int, char**)' previously defined here
int main(int argc, char *argv[]) {
^
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